chore(deps): update dependency nock to v12
chore(deps): update dependency nock to v12

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [nock](https://togithub.com/nock/nock) | devDependencies | major | [`^11.3.2` -> `^12.0.0`](https://renovatebot.com/diffs/npm/nock/11.9.1/12.0.0) |

---

### Release Notes

<details>
<summary>nock/nock</summary>

### [`v12.0.0`](https://togithub.com/nock/nock/releases/v12.0.0)

[Compare Source](https://togithub.com/nock/nock/compare/v11.9.1...v12.0.0)

##### BREAKING CHANGES

-   Require Node 10+ ([#&#8203;1895](https://togithub.com/nock/nock/issues/1895)) ([123832e](https://togithub.com/nock/nock/commit/123832ebad65c70bc501cce2b656403382e234c5)), closes [#&#8203;1895](https://togithub.com/nock/nock/issues/1895)
-   Do not return the `nock` global from `cleanAll()` ([#&#8203;1872](https://togithub.com/nock/nock/issues/1872)) ([0a4a944](https://togithub.com/nock/nock/commit/0a4a944566116618bf8897d7dc6dcf943ba89fe6)), closes [#&#8203;1872](https://togithub.com/nock/nock/issues/1872)
-   Drop support for String constructor ([#&#8203;1873](https://togithub.com/nock/nock/issues/1873)) ([e33b3e8](https://togithub.com/nock/nock/commit/e33b3e86d047362d359f88f9df698f4f103a80ad)), closes [#&#8203;1873](https://togithub.com/nock/nock/issues/1873)

When checking types of strings, Nock will no longer recognize the String constructor, only string primitives.

##### Features

-   Allow passing a function to `enableNetConnect()` ([#&#8203;1889](https://togithub.com/nock/nock/issues/1889)) ([7f9e26c](https://togithub.com/nock/nock/commit/7f9e26c0e9e853feeabd6819827cc9c069994542))

</details>

---

### Renovate configuration

:date: **Schedule**: "after 9am and before 3pm" (UTC).

:vertical_traffic_light: **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

:recycle: **Rebasing**: Whenever PR is stale, or if you tick the rebase/retry checkbox below.

:no_bell: **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#googleapis/google-auth-library-nodejs).
googleapis/google-auth-library-nodejs,googleapis/google-auth-library-nodejs