chore(deps-dev): Update mkdocs-material requirement from ~=9.6.19 to ~=9.6.20 in /gh-pages (#4931)

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-9.6.20</h2>
<ul>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8446">#8446</a>: Deprecation warning as of Python 3.14 in Emoji extension</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8440">#8440</a>: <code>&amp;</code> character not escaped in search highlighting</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8439">#8439</a>: FontAwesome icons color not set in social cards (regression)</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-9.6.20 (2025-09-05)</p>
<ul>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8446">#8446</a>: Deprecation warning as of Python 3.14 in Emoji extension</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8440">#8440</a>: <code>&amp;</code> character not escaped in search highlighting</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8439">#8439</a>: FontAwesome icons color not set in social cards (regression)</li>
</ul>
<p>mkdocs-material-9.6.19 (2025-09-07)</p>
<ul>
<li>Added support for Python 3.14</li>
<li>Updated Bahasa Malaysia translations</li>
</ul>
<p>mkdocs-material-9.6.18 (2025-08-22)</p>
<ul>
<li>Updated Azerbaijani translations</li>
<li>Fixed last compat issues with [minijinja], now 100% compatible</li>
</ul>
<p>mkdocs-material-9.6.17 (2025-08-15)</p>
<ul>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8396">#8396</a>: Videos do not autoplay when inside a content tab</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8394">#8394</a>: Stroke width not effective in Mermaid.js diagrams</li>
<li>Fixed disappearing version selector when hiding page title</li>
</ul>
<p>mkdocs-material-9.6.16 (2025-07-26)</p>
<ul>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8349">#8349</a>: Info plugin doesn't correctly detect virtualenv in some cases</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8334">#8334</a>: Find-in-page detects matches in hidden search result list</li>
</ul>
<p>mkdocs-material-9.6.15 (2025-07-01)</p>
<ul>
<li>Updated Mongolian translations</li>
<li>Improved semantic markup of &quot;edit this page&quot; button</li>
<li>Improved info plugin virtual environment resolution</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8291">#8291</a>: Large font size setting throws of breakpoints in JavaScript</li>
</ul>
<p>mkdocs-material-9.6.14 (2025-05-13)</p>
<ul>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8215">#8215</a>: Social plugin crashes when CairoSVG is updated to 2.8</li>
</ul>
<p>mkdocs-material-9.6.13 (2025-05-10)</p>
<ul>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8204">#8204</a>: Annotations showing list markers in print view</li>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8153">#8153</a>: Improve style of cardinality symbols in Mermaid.js ER diagrams</li>
</ul>
<p>mkdocs-material-9.6.12 (2025-04-17)</p>
<ul>
<li>Fixed <a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8158">#8158</a>: Flip footnote back reference icon for right-to-left languages</li>
</ul>
<p>mkdocs-material-9.6.11 (2025-04-01)</p>
<ul>
<li>Updated Docker image to latest Alpine Linux</li>
</ul>

</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/f0b0b5931a386b670c19d3e3b78ecd41da144341"><code>f0b0b59</code></a> Prepare 9.6.20 release</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/900981b6f82c51fdf4e78f1e5f9e48592bbb85c2"><code>900981b</code></a> Fixed deprecation warning as of Python 3.14 in Emoji extension</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/ed0026322f5ff51df2e9c9f8489ba2e3ebc06fa5"><code>ed00263</code></a> Documentation (<a href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8443">#8443</a>)</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/a4f42bbfcdc816f7e69b2ab0c7ed87d58862939e"><code>a4f42bb</code></a> Updated Premium sponsors</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/63d7e746be929737d7bbbca32d66f5d083ea253a"><code>63d7e74</code></a> Fixed FontAwesome icons having fill attributes</li>
<li><a href="https://github.com/squidfunk/mkdocs-material/commit/ee678455e93a2a356d58bc7a1c57f1e3e171a8c4"><code>ee67845</code></a> Fixed &amp; not escaped in search highlighting</li>
<li>See full diff in <a href="https://github.com/squidfunk/mkdocs-material/compare/9.6.19...9.6.20">compare view</a></li>
</ul>
</details>
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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~=9.6.19
+mkdocs-material~=9.6.20
 mkdocs-git-revision-date-plugin~=0.3.2