Build: Bump mkdocs-material from 9.6.8 to 9.6.9 (apache#1801)

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material)
from 9.6.8 to 9.6.9.
<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-9.6.9</h2>
<ul>
<li>Updated Serbo-Croatian translations</li>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8086">#8086</a>:
Custom SVG icons containing hashes break rendering</li>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8067">#8067</a>:
Drawer has gap on right side in Firefox on some OSs</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-9.6.9 (2025-03-17)</p>
<ul>
<li>Updated Serbo-Croatian translations</li>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8086">#8086</a>:
Custom SVG icons containing hashes break rendering</li>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8067">#8067</a>:
Drawer has gap on right side in Firefox on some OSs</li>
</ul>
<p>mkdocs-material-9.6.8+insiders-4.53.16 (2025-03-13)</p>
<ul>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8019">#8019</a>:
Tooltips have precedence over instant previews</li>
</ul>
<p>mkdocs-material-9.6.8 (2025-03-13)</p>
<ul>
<li>Added Welsh translations</li>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8076">#8076</a>:
Privacy plugin crashes if HTTP download fails</li>
</ul>
<p>mkdocs-material-9.6.7 (2025-03-03)</p>
<ul>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8056">#8056</a>:
Error in backrefs implementation (9.6.6 regression)</li>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8054">#8054</a>:
Unescaped quotes in ARIA labels of table of contents</li>
</ul>
<p>mkdocs-material-9.6.6 (2025-03-01)</p>
<ul>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8040">#8040</a>:
Privacy plugin not replacing exteral assets (9.6.5 regression)</li>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8031">#8031</a>:
Replace unmaintained regex package in search plugin</li>
</ul>
<p>mkdocs-material-9.6.5 (2025-02-20)</p>
<ul>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8016">#8016</a>:
Tags listing not showing when when file name has spaces</li>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8012">#8012</a>:
Privacy plugin crashes if HTTP download fails</li>
</ul>
<p>mkdocs-material-9.6.4 (2025-02-12)</p>
<ul>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7985">#7985</a>:
Blog content sometimes not stretching to full width</li>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7978">#7978</a>:
Navigation rendering bug in Safari 18.3</li>
</ul>
<p>mkdocs-material-9.6.3 (2025-02-07)</p>
<ul>
<li>Fixed rendering of arrow heads in Mermaid.js class diagrams</li>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7960">#7960</a>:
Tags plugin crashes on numeric metadata titles</li>
</ul>
<p>mkdocs-material-9.6.2 (2025-02-03)</p>
<ul>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7955">#7955</a>:
Excessively long words don't break on narrow screens</li>
<li>Fixed <a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/7947">#7947</a>:
Scope setting interferes with outdated version banner</li>
</ul>
<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>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/squidfunk/mkdocs-material/commit/646c7ab30d2890c1b27c9b6444156bb1104a372e"><code>646c7ab</code></a>
Prepare 9.6.9 release</li>
<li><a
href="https://github.com/squidfunk/mkdocs-material/commit/27d57ea184ad31777a632bb52b8c2b8a80cdb128"><code>27d57ea</code></a>
Updated twemoji cdn for icon search index (<a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8093">#8093</a>)</li>
<li><a
href="https://github.com/squidfunk/mkdocs-material/commit/091865798faa41018f014dae8d7a8add3f121d56"><code>0918657</code></a>
Fixed <code>build:all</code> output on Windows (<a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8089">#8089</a>)</li>
<li><a
href="https://github.com/squidfunk/mkdocs-material/commit/0e75aef9ea9028dc5a2dea34fb5da8afb14911ae"><code>0e75aef</code></a>
Updated Serbo-Croatian translations</li>
<li><a
href="https://github.com/squidfunk/mkdocs-material/commit/52b584f9cbe85040841010533b56abb39b5b4052"><code>52b584f</code></a>
Added urlencode to fix # in custom icons (<a
href="https://redirect.github.com/squidfunk/mkdocs-material/issues/8087">#8087</a>)</li>
<li><a
href="https://github.com/squidfunk/mkdocs-material/commit/3296cdf203ba2886338d285a15121ab2fa95e6e9"><code>3296cdf</code></a>
Fixed sidebar on Firefox mobile</li>
<li><a
href="https://github.com/squidfunk/mkdocs-material/commit/502ef2f788ca84a7686e6dcee7aaf5b2fe11e1db"><code>502ef2f</code></a>
Updated Insiders changelog</li>
<li>See full diff in <a
href="https://github.com/squidfunk/mkdocs-material/compare/9.6.8...9.6.9">compare
view</a></li>
</ul>
</details>
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poetry.lock

@@ -110,7 +110,7 @@ mkdocstrings-python = "1.16.5"
 mkdocs-literate-nav = "0.6.1"
 mkdocs-autorefs = "1.4.1"
 mkdocs-gen-files = "0.5.0"
-mkdocs-material = "9.6.8"
+mkdocs-material = "9.6.9"
 mkdocs-material-extensions = "1.3.1"
 mkdocs-section-index = "0.3.9"