chore: relocate owl bot post processor

…er (#1489)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [@types/node](https://togithub.com/DefinitelyTyped/DefinitelyTyped) | [`^14.0.0` -> `^16.0.0`](https://renovatebot.com/diffs/npm/@types%2fnode/14.17.32/16.11.6) | [![age](https://badges.renovateapi.com/packages/npm/@types%2fnode/16.11.6/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/npm/@types%2fnode/16.11.6/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/npm/@types%2fnode/16.11.6/compatibility-slim/14.17.32)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/npm/@types%2fnode/16.11.6/confidence-slim/14.17.32)](https://docs.renovatebot.com/merge-confidence/) |

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* chore(cloud-rad): add code fencing for TSDoc

Code examples need code fencing around them to distingish from
rich text for TSDoc.

Internally b/179483748

Script used:
https://github.com/fhinkel/cloud-rad-script/blob/main/fixExampleComments.js

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Instead of <caption> use rich text for examples.

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [sinon](https://sinonjs.org/) ([source](https://togithub.com/sinonjs/sinon)) | [`^11.0.0` -> `^12.0.0`](https://renovatebot.com/diffs/npm/sinon/11.1.2/12.0.1) | [![age](https://badges.renovateapi.com/packages/npm/sinon/12.0.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/npm/sinon/12.0.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/npm/sinon/12.0.1/compatibility-slim/11.1.2)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/npm/sinon/12.0.1/confidence-slim/11.1.2)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>sinonjs/sinon</summary>

### [`v12.0.1`](https://togithub.com/sinonjs/sinon/blob/master/CHANGES.md#&#8203;1201)

[Compare Source](https://togithub.com/sinonjs/sinon/compare/v12.0.0...v12.0.1)

-   [`3f598221`](https://togithub.com/sinonjs/sinon/commit/3f598221045904681f2b3b3ba1df617ed5e230e3)
    Fix issue with npm unlink for npm version > 6 (Carl-Erik Kopseng)
    > 'npm unlink' would implicitly unlink the current dir
    > until version 7, which requires an argument
-   [`51417a38`](https://togithub.com/sinonjs/sinon/commit/51417a38111eeeb7cd14338bfb762cc2df487e1b)
    Fix bundling of cjs module ([#&#8203;2412](https://togithub.com/sinonjs/sinon/issues/2412)) (Julian Grinblat)
    > -   Fix bundling of cjs module
    >
    > -   Run prettier

*Released by [Carl-Erik Kopseng](https://togithub.com/fatso83) on 2021-11-04.*

#### 12.0.0

### [`v12.0.0`](https://togithub.com/sinonjs/sinon/compare/v11.1.2...v12.0.0)

[Compare Source](https://togithub.com/sinonjs/sinon/compare/v11.1.2...v12.0.0)

</details>

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As we move our ref docs to cloud.google.com, we rely on TSDoc rather JSDoc.

TSDoc expects comments before the first overloaded function, we
currently have those on the last function. Those comments don't make
it into the d.ts files. We need to move comments to the first
overloaded function rather than the last one.

Internally b/190631834

Script used: https://github.com/fhinkel/cloud-rad-script/blob/main/moveComments.js

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…e in region tag (#1484)

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Source-Link: googleapis/synthtool@b801276
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest@sha256:ba3f2990fefe465f89834e4c46f847ddb141afa54daa6a1d462928fa679ed143

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

🤖 I have created a release \*beep\* \*boop\*
---
## [5.16.0](https://www.github.com/googleapis/nodejs-spanner/compare/v5.15.2...v5.16.0) (2021-12-09)


### Features

* add eslintignore for sameple generated code ([#1302](https://www.github.com/googleapis/nodejs-spanner/issues/1302)) ([#1520](https://www.github.com/googleapis/nodejs-spanner/issues/1520)) ([f835b72](https://www.github.com/googleapis/nodejs-spanner/commit/f835b721210d01b11d7f5751ee06f13518e7fe0f))


### Bug Fixes

* **build:** set default branch to main ([#1469](https://www.github.com/googleapis/nodejs-spanner/issues/1469)) ([152985a](https://www.github.com/googleapis/nodejs-spanner/commit/152985a1f783534e6b3e3ce332a1333dec67269d))
* **cloud-rad:** move comments for TSDoc ([#1509](https://www.github.com/googleapis/nodejs-spanner/issues/1509)) ([1c49922](https://www.github.com/googleapis/nodejs-spanner/commit/1c49922c75bd56dbd0456318bee8a336eb088156))
---


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