Bump kotlin.version from 1.6.10 to 1.6.20 in /value
Bump kotlin.version from 1.6.10 to 1.6.20 in /value

Bumps `kotlin.version` from 1.6.10 to 1.6.20.
Updates `kotlin-stdlib` from 1.6.10 to 1.6.20
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/JetBrains/kotlin/releases">kotlin-stdlib's releases</a>.</em></p>
<blockquote>
<h2>Kotlin 1.6.20-RC2</h2>
<h2>Changelog</h2>
<h3>Compiler</h3>
<h4>Fixes</h4>
<ul>
<li><a href="https://youtrack.jetbrains.com/issue/KT-51352"><code>KT-51352</code></a> &quot;ClassCastException: class ScopeCoroutine cannot be cast to class Iterable&quot; caused by coroutines and context receivers</li>
<li><a href="https://youtrack.jetbrains.com/issue/KT-51271"><code>KT-51271</code></a> &quot;ArrayIndexOutOfBoundsException: Index 3 out of bounds for length 3&quot; with inlining of context function</li>
<li><a href="https://youtrack.jetbrains.com/issue/KT-50520"><code>KT-50520</code></a> &quot;NPE: containingDeclaration.ac…lDeclarationType.REGULAR) must not be null&quot; with implicit type on self-referencing lambda in a builder</li>
<li><a href="https://youtrack.jetbrains.com/issue/KT-51471"><code>KT-51471</code></a> Native: incorrect debug information when inheriting suspend fun invoke implementation</li>
<li><a href="https://youtrack.jetbrains.com/issue/KT-51353"><code>KT-51353</code></a> IncompatibleClassChangeError: Expected non-static field com.soywiz.korim.color.Colors.BLACK</li>
</ul>
<h3>Native</h3>
<ul>
<li><a href="https://youtrack.jetbrains.com/issue/KT-37368"><code>KT-37368</code></a> Native compiler fails to compile big projects</li>
</ul>
<h3>Native. Runtime</h3>
<ul>
<li><a href="https://youtrack.jetbrains.com/issue/KT-51586"><code>KT-51586</code></a> SIGSEGV on worker7 test</li>
</ul>
<h3>Tools. JPS</h3>
<ul>
<li><a href="https://youtrack.jetbrains.com/issue/KT-51434"><code>KT-51434</code></a> Language version 1.7 is absent in Kotlin Compiler settings</li>
</ul>
<h3>Tools. Gradle</h3>
<ul>
<li><a href="https://youtrack.jetbrains.com/issue/KT-51588"><code>KT-51588</code></a> Restoring from build cache breaks Kotlin incremental compilation</li>
</ul>
<h2>Checksums</h2>
<table>
<thead>
<tr>
<th>File</th>
<th>Sha256</th>
</tr>
</thead>
<tbody>
<tr>
<td>kotlin-compiler-1.6.20-RC2.zip</td>
<td>038da980d17432a44c41299b528b81040ca2578b634b0fd066661b45871711f2</td>
</tr>
<tr>
<td>kotlin-native-linux-x86_64-1.6.20-RC2.tar.gz</td>
<td>d8ada91551ad425697966c128725757d6c032eb25f0c58e737783d20914751c4</td>
</tr>
<tr>
<td>kotlin-native-macos-x86_64-1.6.20-RC2.tar.gz</td>
<td>a6e85afd0a920ab7d1c5dea6e5153515ecf98aafbbe60e6151e181455e6583d7</td>
</tr>
<tr>
<td>kotlin-native-macos-aarch64-1.6.20-RC2.tar.gz</td>
<td>60d9b37177180997e2c42a26214b36242ccace62fa3af08091c8ed7df80410e0</td>
</tr>
<tr>
<td>kotlin-native-windows-x86_64-1.6.20-RC2.zip</td>
<td>57da7b6e3438ffc44fe0e99846efa7fed1c458d74cf00d504f2583c4d99c41c8</td>
</tr>
</tbody>
</table>
<h2>Kotlin 1.6.20-RC</h2>
<h2>Changelog</h2>
<h3>Compiler</h3>
<ul>
<li><a href="https://youtrack.jetbrains.com/issue/KT-51302"><code>KT-51302</code></a> Kotlin/Native 1.6.20-M1 compiler fails because of assertion in NativeAnnotationImplementationTransformer</li>
<li><a href="https://youtrack.jetbrains.com/issue/KT-51148"><code>KT-51148</code></a> &quot;AssertionError: At this stage there should be no remaining variables with proper constraints&quot; caused by two type parameters</li>
<li><a href="https://youtrack.jetbrains.com/issue/KT-50970"><code>KT-50970</code></a> Kotlin/Native: use arm instruction set instead of thumb-2 for iosArm32 and watchosArm32 targets</li>
<li><a href="https://youtrack.jetbrains.com/issue/KT-50843"><code>KT-50843</code></a> Kotlin/Native: LLVM constant merge pass does not work for Kotlin constants</li>
<li><a href="https://youtrack.jetbrains.com/issue/KT-51157"><code>KT-51157</code></a> JVM / IR: &quot;IndexOutOfBoundsException: Index: 1, Size: 1&quot; caused by interface hierarchy and UInt method parameter</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a href="https://github.com/JetBrains/kotlin/commits">compare view</a></li>
</ul>
</details>
<br />

Updates `kotlin-maven-plugin` from 1.6.10 to 1.6.20

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)

</details>

Fixes #1293

COPYBARA_INTEGRATE_REVIEW=https://github.com/google/auto/pull/1293 from google:dependabot/maven/value/kotlin.version-1.6.20 50d5b8f8f71a2a02015bfc91530d21403275dc26
PiperOrigin-RevId: 438917011

eamonnmcmanus/auto,google/auto,eamonnmcmanus/auto,google/auto,eamonnmcmanus/auto,google/auto