Bump prismjs from 1.20.0 to 1.21.0 in /website (#1446)
Bump prismjs from 1.20.0 to 1.21.0 in /website (#1446)

Summary:
Bumps [prismjs](https://github.com/PrismJS/prism) from 1.20.0 to 1.21.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/PrismJS/prism/releases">prismjs's releases</a>.</em></p>
<blockquote>
<h2>v1.21.0</h2>
<p>Release 1.21.0</p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/PrismJS/prism/blob/master/CHANGELOG.md">prismjs's changelog</a>.</em></p>
<blockquote>
<h2>1.21.0 (2020-08-06)</h2>
<h3>New components</h3>
<ul>
<li><strong>.ignore</strong> &amp; <strong>.gitignore</strong> &amp; <strong>.hgignore</strong> &amp; <strong>.npmignore</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2481">#2481</a>) <a href="https://github.com/PrismJS/prism/commit/3fcce6fe"><code>3fcce6fe</code></a></li>
<li><strong>Agda</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2430">#2430</a>) <a href="https://github.com/PrismJS/prism/commit/3a127c7d"><code>3a127c7d</code></a></li>
<li><strong>AL</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2300">#2300</a>) <a href="https://github.com/PrismJS/prism/commit/de21eb64"><code>de21eb64</code></a></li>
<li><strong>Cypher</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2459">#2459</a>) <a href="https://github.com/PrismJS/prism/commit/398e2943"><code>398e2943</code></a></li>
<li><strong>Dhall</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2473">#2473</a>) <a href="https://github.com/PrismJS/prism/commit/649e51e5"><code>649e51e5</code></a></li>
<li><strong>EditorConfig</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2471">#2471</a>) <a href="https://github.com/PrismJS/prism/commit/ed8fff91"><code>ed8fff91</code></a></li>
<li><strong>HLSL</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2318">#2318</a>) <a href="https://github.com/PrismJS/prism/commit/87a5c7ae"><code>87a5c7ae</code></a></li>
<li><strong>JS stack trace</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2418">#2418</a>) <a href="https://github.com/PrismJS/prism/commit/ae0327b3"><code>ae0327b3</code></a></li>
<li><strong>PeopleCode</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2302">#2302</a>) <a href="https://github.com/PrismJS/prism/commit/bd4d8165"><code>bd4d8165</code></a></li>
<li><strong>PureBasic</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2369">#2369</a>) <a href="https://github.com/PrismJS/prism/commit/d0c1c70d"><code>d0c1c70d</code></a></li>
<li><strong>Racket</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2315">#2315</a>) <a href="https://github.com/PrismJS/prism/commit/053016ef"><code>053016ef</code></a></li>
<li><strong>Smali</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2419">#2419</a>) <a href="https://github.com/PrismJS/prism/commit/22eb5cad"><code>22eb5cad</code></a></li>
<li><strong>Structured Text (IEC 61131-3)</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2311">#2311</a>) <a href="https://github.com/PrismJS/prism/commit/8704cdfb"><code>8704cdfb</code></a></li>
<li><strong>UnrealScript</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2305">#2305</a>) <a href="https://github.com/PrismJS/prism/commit/1093ceb3"><code>1093ceb3</code></a></li>
<li><strong>WarpScript</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2307">#2307</a>) <a href="https://github.com/PrismJS/prism/commit/cde5b0fa"><code>cde5b0fa</code></a></li>
<li><strong>XML doc (.net)</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2340">#2340</a>) <a href="https://github.com/PrismJS/prism/commit/caec5e30"><code>caec5e30</code></a></li>
<li><strong>YANG</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2467">#2467</a>) <a href="https://github.com/PrismJS/prism/commit/ed1df1e1"><code>ed1df1e1</code></a></li>
</ul>
<h3>Updated components</h3>
<ul>
<li>Markup &amp; JSON: Added new aliases (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2390">#2390</a>) <a href="https://github.com/PrismJS/prism/commit/9782cfe6"><code>9782cfe6</code></a></li>
<li>Fixed several cases of exponential backtracking (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2268">#2268</a>) <a href="https://github.com/PrismJS/prism/commit/7a554b5f"><code>7a554b5f</code></a></li>
<li><strong>APL</strong>
<ul>
<li>Added <code>⍥</code> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2409">#2409</a>) <a href="https://github.com/PrismJS/prism/commit/0255cb6a"><code>0255cb6a</code></a></li>
</ul>
</li>
<li><strong>AutoHotkey</strong>
<ul>
<li>Added missing <code>format</code> built-in (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2450">#2450</a>) <a href="https://github.com/PrismJS/prism/commit/7c66cfc4"><code>7c66cfc4</code></a></li>
<li>Improved comments and other improvements (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2412">#2412</a>) <a href="https://github.com/PrismJS/prism/commit/ddf3cc62"><code>ddf3cc62</code></a></li>
<li>Added missing definitions (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2400">#2400</a>) <a href="https://github.com/PrismJS/prism/commit/4fe03676"><code>4fe03676</code></a></li>
</ul>
</li>
<li><strong>Bash</strong>
<ul>
<li>Added <code>composer</code> command (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2298">#2298</a>) <a href="https://github.com/PrismJS/prism/commit/044dd271"><code>044dd271</code></a></li>
</ul>
</li>
<li><strong>Batch</strong>
<ul>
<li>Fix escaped double quote (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2485">#2485</a>) <a href="https://github.com/PrismJS/prism/commit/f0f8210c"><code>f0f8210c</code></a></li>
</ul>
</li>
<li><strong>C</strong>
<ul>
<li>Improved macros and expressions (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2440">#2440</a>) <a href="https://github.com/PrismJS/prism/commit/8a72fa6f"><code>8a72fa6f</code></a></li>
<li>Improved macros (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2320">#2320</a>) <a href="https://github.com/PrismJS/prism/commit/fdcf7ed2"><code>fdcf7ed2</code></a></li>
</ul>
</li>
<li><strong>C#</strong>
<ul>
<li>Improved pattern matching (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2411">#2411</a>) <a href="https://github.com/PrismJS/prism/commit/7f341fc1"><code>7f341fc1</code></a></li>
<li>Fixed adjacent string interpolations (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2402">#2402</a>) <a href="https://github.com/PrismJS/prism/commit/2a2e79ed"><code>2a2e79ed</code></a></li>
</ul>
</li>
<li><strong>C++</strong>
<ul>
<li>Added support for default comparison operator (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2426">#2426</a>) <a href="https://github.com/PrismJS/prism/commit/8e9d161c"><code>8e9d161c</code></a></li>
<li>Improved class name detection (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2348">#2348</a>) <a href="https://github.com/PrismJS/prism/commit/e3fe9040"><code>e3fe9040</code></a></li>
<li>Fixed <code>enum class</code> class names (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2342">#2342</a>) <a href="https://github.com/PrismJS/prism/commit/30b4e254"><code>30b4e254</code></a></li>
</ul>
</li>
<li><strong>Content-Security-Policy</strong>
<ul>
<li>Fixed directives (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2461">#2461</a>) <a href="https://github.com/PrismJS/prism/commit/537a9e80"><code>537a9e80</code></a></li>
</ul>
</li>
<li><strong>CSS</strong>
<ul>
<li>Improved url and added keywords (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2432">#2432</a>) <a href="https://github.com/PrismJS/prism/commit/964de5a1"><code>964de5a1</code></a></li>
</ul>
</li>
</ul>

</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/PrismJS/prism/commit/187c8a607ee70c7914682870156faa31ed01f001"><code>187c8a6</code></a> 1.21.0</li>
<li><a href="https://github.com/PrismJS/prism/commit/bf4f323391d546d4b2e1a388f05c512a27491e9c"><code>bf4f323</code></a> Changelog for v1.21.0 (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2507">#2507</a>)</li>
<li><a href="https://github.com/PrismJS/prism/commit/8bba4880202ef6bd7a1e379fe9aebe69dd75f7be"><code>8bba488</code></a> Previewers: Fixed XSS (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2506">#2506</a>)</li>
<li><a href="https://github.com/PrismJS/prism/commit/158caf52343e59a66c2351ff1d83648efe871e33"><code>158caf5</code></a> JSON: Greedy comments (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2479">#2479</a>)</li>
<li><a href="https://github.com/PrismJS/prism/commit/f0f8210c1a9745c064d49bfb985544c654986b24"><code>f0f8210</code></a> Batch: Fix escaped double quote (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2485">#2485</a>)</li>
<li><a href="https://github.com/PrismJS/prism/commit/649e51e56250a81dc0b0c4f5b3a4ea23e1c21834"><code>649e51e</code></a> Added support for Dhall (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2473">#2473</a>)</li>
<li><a href="https://github.com/PrismJS/prism/commit/453079bf96746e0c44f90cb7cd90fcae9a5f94cc"><code>453079b</code></a> Line Numbers: Fixed class name on website</li>
<li><a href="https://github.com/PrismJS/prism/commit/a0efa40bde420ac3923947be611ebe6b3f077dce"><code>a0efa40</code></a> Fixed Treeview page (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2484">#2484</a>)</li>
<li><a href="https://github.com/PrismJS/prism/commit/78161d607fe7d493831ff19759aac951330134a1"><code>78161d6</code></a> VB: Added VBA alias (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2469">#2469</a>)</li>
<li><a href="https://github.com/PrismJS/prism/commit/ed1df1e1208401a8b84330ecc39689fa37d0e9f6"><code>ed1df1e</code></a> Added support for YANG (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2467">#2467</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/PrismJS/prism/compare/v1.20.0...v1.21.0">compare view</a></li>
</ul>
</details>
<br />

[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=prismjs&package-manager=npm_and_yarn&previous-version=1.20.0&new-version=1.21.0)](https://help.github.com/articles/configuring-automated-security-fixes)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

 ---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `dependabot rebase` will rebase this PR
- `dependabot recreate` will recreate this PR, overwriting any edits that have been made to it
- `dependabot merge` will merge this PR after your CI passes on it
- `dependabot squash and merge` will squash and merge this PR after your CI passes on it
- `dependabot cancel merge` will cancel a previously requested merge and block automerging
- `dependabot reopen` will reopen this PR if it is closed
- `dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
- `dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
- `dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
- `dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
You can disable automated security fix PRs for this repo from the [Security Alerts page](https://github.com/facebook/flipper/network/alerts).

</details>

Pull Request resolved: https://github.com/facebook/flipper/pull/1446

Reviewed By: jknoxville

Differential Revision: D23022453

Pulled By: passy

fbshipit-source-id: 380eccc7cc85798cb702692813ce14504083ffae

facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper