chore(deps-dev): Update mkdocs-material requirement from ~=9.5.50 to ~=9.6.1 in /gh-pages (#4760)

Updates the requirements on [mkdocs-material](https://github.com/squidfunk/mkdocs-material) to permit the latest version.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/squidfunk/mkdocs-material/releases">mkdocs-material's releases</a>.</em></p>
<blockquote>
<h2>mkdocs-material-9.6.1</h2>
<ul>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7943">#7943</a>: Tags plugin crashing due to merge error</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG">mkdocs-material's changelog</a>.</em></p>
<blockquote>
<p>mkdocs-material-9.6.1 (2025-01-31)</p>
<ul>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7943">#7943</a>: Tags plugin crashing due to merge error</li>
</ul>
<p>mkdocs-material-9.6.0 (2025-01-31)</p>
<ul>
<li>Added meta plugin</li>
<li>Rewrite of the tags plugin</li>
<li>Added support for allow lists in tags plugin</li>
<li>Added support for and custom sorting in tags plugin</li>
<li>Added support for related links in blog plugin</li>
<li>Added support for custom index pages in blog plugin</li>
<li>Added support for navigation subtitles</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7924">#7924</a>: Anchors might require two clicks when using instant navigation</li>
</ul>
<p>mkdocs-material-9.5.50 (2025-01-18)</p>
<ul>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7913">#7913</a>: Social plugin renders attribute lists in page title</li>
</ul>
<p>mkdocs-material-9.5.49+insiders-4.53.15 (2025-01-15)</p>
<ul>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7896">#7896</a>: Scoped tags listings not rendering in subsections</li>
</ul>
<p>mkdocs-material-9.5.49 (2024-12-16)</p>
<ul>
<li>Adjusted title color in dark mode for all supported Mermaid.js diagrams</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7803">#7803</a>: Privacy plugin crashes on generated files</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7781">#7781</a>: Mermaid.js flow chart title not visible in dark mode</li>
</ul>
<p>mkdocs-material-9.5.48 (2024-12-08)</p>
<ul>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7774">#7774</a>: Disabling social cards doesn't work</li>
</ul>
<p>mkdocs-material-9.5.47 (2024-12-01)</p>
<ul>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7750">#7750</a>: Numeric tags break search</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7748">#7748</a>: Blog plugin breaks when using future drafts (9.5.45 regression)</li>
</ul>
<p>mkdocs-material-9.5.46 (2024-11-25)</p>
<ul>
<li>Added support for removing preload hints in privacy plugin</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7734">#7734</a>: Code blocks in h5 headlines are uppercased</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7725">#7725</a>: Blog plugin crashing on missing timezone (9.5.45 regression)</li>
</ul>
<p>mkdocs-material-9.5.45 (2024-11-20)</p>
<ul>
<li>Reduced size of Docker image through multi-stage build</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7708">#7708</a>: Blog plugin crashing on YAML dates with timezones</li>
</ul>
<p>mkdocs-material-9.5.44 (2024-11-05)</p>

</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/454af62a45622e3ebf14d25b3ab1ea69c1130e8f"><code>454af62</code></a> Prepare 9.6.1 release</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/2d147c72c02b842937320c58b98e20179742a7a6"><code>2d147c7</code></a> Fixed crashing tags plugin</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/34dc4feba7b45c892c3d6ec2c3d8413a5ebdac5f"><code>34dc4fe</code></a> Updated Premium sponsors</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/8edc6f8daaf0e1e7ebb94be99d3f10e46cd8bfbd"><code>8edc6f8</code></a> Updated Premium sponsors</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/0be1d6b3c8b9f3aff1f91be8f7050dcc96a40321"><code>0be1d6b</code></a> Documentation</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/34e301d311d2e753022e1ae23fd851cbfd73be6a"><code>34e301d</code></a> Fixed build badge</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/4ca5214ebf1665fff5de7be140ab6188eb0ec5a5"><code>4ca5214</code></a> Corrected position of related links in blog post</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/627737ae38905578d761fb7c916b5fdcf854973e"><code>627737a</code></a> Merge pull request <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7942">#7942</a> from squidfunk/merge/chipotle</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/49daf573f0cf01cd66a87f6bba3815b775280287"><code>49daf57</code></a> Updated dependencies</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/1416697c6b27725859d522c8763914c2b1fb1615"><code>1416697</code></a> Prepare 9.6.0 release</li>
<li>Additional commits viewable in <a href="https://github.com/squidfunk/mkdocs-material/compare/9.5.50...9.6.1">compare view</a></li>
</ul>
</details>
<br />


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>

Author: dependabot[bot]

gh-pages/requirements-dev.txt

@@ -1,4 +1,4 @@
 mkdocs~=1.6.1
 mkdocs-awesome-pages-plugin~=2.10.1
-mkdocs-material~=9.5.50
+mkdocs-material~=9.6.1
 mkdocs-git-revision-date-plugin~=0.3.2