Bump pascalgn/automerge-action from 0.16.3 to 0.16.4

Bumps [pascalgn/automerge-action](https://github.com/pascalgn/automerge-action) from 0.16.3 to 0.16.4.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/pascalgn/automerge-action/releases">pascalgn/automerge-action's releases</a>.</em></p>
<blockquote>
<h2>Release 0.16.4</h2>
<h2>What's Changed</h2>
<ul>
<li>Allow set of <code>MAX_PR_COUNT</code> from environment by <a href="https://github.com/agershman"><code>@​agershman</code></a> in <a href="https://redirect.github.com/pascalgn/automerge-action/pull/286">pascalgn/automerge-action#286</a></li>
<li>Fix permissions configuration in README example by <a href="https://github.com/zimagen"><code>@​zimagen</code></a> in <a href="https://redirect.github.com/pascalgn/automerge-action/pull/285">pascalgn/automerge-action#285</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/agershman"><code>@​agershman</code></a> made their first contribution in <a href="https://redirect.github.com/pascalgn/automerge-action/pull/286">pascalgn/automerge-action#286</a></li>
<li><a href="https://github.com/zimagen"><code>@​zimagen</code></a> made their first contribution in <a href="https://redirect.github.com/pascalgn/automerge-action/pull/285">pascalgn/automerge-action#285</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/pascalgn/automerge-action/compare/v0.16.3...v0.16.4">https://github.com/pascalgn/automerge-action/compare/v0.16.3...v0.16.4</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/pascalgn/automerge-action/commit/7961b8b5eec56cc088c140b56d864285eabd3f67"><code>7961b8b</code></a> Update README.md</li>
<li><a href="https://github.com/pascalgn/automerge-action/commit/a870b7615ccbb74069b51c845d33d039ecce0053"><code>a870b76</code></a> Update README.md</li>
<li><a href="https://github.com/pascalgn/automerge-action/commit/31a90c68259e8166ae6ebb6eec202e454654fe6d"><code>31a90c6</code></a> Fix permissions configuration in README example (<a href="https://redirect.github.com/pascalgn/automerge-action/issues/285">#285</a>)</li>
<li><a href="https://github.com/pascalgn/automerge-action/commit/f981436038b98090c5ad6b89718eeee5baa9847f"><code>f981436</code></a> Allow set of <code>MAX_PR_COUNT</code> from environment (<a href="https://redirect.github.com/pascalgn/automerge-action/issues/286">#286</a>)</li>
<li>See full diff in <a href="https://github.com/pascalgn/automerge-action/compare/v0.16.3...v0.16.4">compare view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=pascalgn/automerge-action&package-manager=github_actions&previous-version=0.16.3&new-version=0.16.4)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

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 show <dependency name> ignore conditions` will show all of the ignore conditions of the specified dependency
- `@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>

.github/workflows/automerge.yml

@@ -17,7 +17,7 @@ jobs:
  runs-on: ubuntu-latest
  if: github.actor == 'dependabot[bot]' || github.actor == 'dependabot-preview[bot]'
  steps:
- - uses: pascalgn/automerge-action@v0.16.3
+ - uses: pascalgn/automerge-action@v0.16.4
  env:
  GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
  MERGE_LABELS: "dependencies"