build(deps): bump pymdown-extensions from 10.21.3 to 11.0 (#2152)

Bumps
[pymdown-extensions](https://github.com/facelessuser/pymdown-extensions)
from 10.21.3 to 11.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/facelessuser/pymdown-extensions/releases">pymdown-extensions's
releases</a>.</em></p>
<blockquote>
<h2>11.0</h2>
<ul>
<li><strong>BREAK</strong>: B64: Restricts relative links to
<code>base_path</code> by default. Can be disabled by setting new
<code>restrict_path</code>
option to <code>False</code>. The new <code>root_path</code> can be
specified if paths are desired to be restricted to a different
location separate <code>base_path</code> which is also used as a
relative base for image paths.</li>
<li><strong>NEW</strong>: Drop Python 3.9 support.</li>
<li><strong>FIX</strong>: Tabbed: Fix issue where an empty title would
cause an exception.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/facelessuser/pymdown-extensions/commit/6d0097b85a52468e7cd8eaceaa192ff3348c41e0"><code>6d0097b</code></a>
Update changelog</li>
<li><a
href="https://github.com/facelessuser/pymdown-extensions/commit/f4808ea6c408662cf5c542809cc07d87004b9b99"><code>f4808ea</code></a>
Bump version and update changelog</li>
<li><a
href="https://github.com/facelessuser/pymdown-extensions/commit/a290074f72e885cf123cff0f9e6442856c19020b"><code>a290074</code></a>
Update JS doc deps</li>
<li><a
href="https://github.com/facelessuser/pymdown-extensions/commit/edce35586d11a1ef78bb187bc60497fe6dbf3b64"><code>edce355</code></a>
Merge commit from fork</li>
<li><a
href="https://github.com/facelessuser/pymdown-extensions/commit/9fb9643c84c46386d77eef1a18929330620e3111"><code>9fb9643</code></a>
Update Python type deps</li>
<li><a
href="https://github.com/facelessuser/pymdown-extensions/commit/299a1294f3d500c05d7aee1c318b1836764c773b"><code>299a129</code></a>
Docs: Update JS deps</li>
<li><a
href="https://github.com/facelessuser/pymdown-extensions/commit/367d965941055f3196121833d84070401ea1ab8f"><code>367d965</code></a>
Drop Python 3.9 (<a
href="https://redirect.github.com/facelessuser/pymdown-extensions/issues/2902">#2902</a>)</li>
<li><a
href="https://github.com/facelessuser/pymdown-extensions/commit/19ec93690bd3a038c1eddc4fe63850e20daf3bb4"><code>19ec936</code></a>
Fix issue with empty titles and Tabbed (<a
href="https://redirect.github.com/facelessuser/pymdown-extensions/issues/2901">#2901</a>)</li>
<li><a
href="https://github.com/facelessuser/pymdown-extensions/commit/4868783ce224ed61abd9abcafd098015ca3c65a3"><code>4868783</code></a>
Fix npm option</li>
<li><a
href="https://github.com/facelessuser/pymdown-extensions/commit/18a21f55875a4cfc4f689d49009696fc6f6bbddc"><code>18a21f5</code></a>
zensical config should be stored in sdist</li>
<li>Additional commits viewable in <a
href="https://github.com/facelessuser/pymdown-extensions/compare/10.21.3...11.0">compare
view</a></li>
</ul>
</details>
<br />


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