build(deps-dev): Bump mkdocs from 1.5.1 to 1.5.2 (#464)

Bumps [mkdocs](https://github.com/mkdocs/mkdocs) from 1.5.1 to 1.5.2.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/mkdocs/mkdocs/releases">mkdocs's
releases</a>.</em></p>
<blockquote>
<h2>1.5.2</h2>
<ul>
<li>
<p>Bugfix (regression in 1.5.0): Restore functionality of
<code>--no-livereload</code>. (<a
href="https://redirect.github.com/mkdocs/mkdocs/issues/3320">#3320</a>)</p>
</li>
<li>
<p>Bugfix (regression in 1.5.0): The new page title detection would
sometimes be unable to drop anchorlinks - fix that. (<a
href="https://redirect.github.com/mkdocs/mkdocs/issues/3325">#3325</a>)</p>
</li>
<li>
<p>Partly bring back pre-1.5 API: <code>extra_javascript</code> items
will once again be mostly strings, and only sometimes
<code>ExtraStringValue</code> (when the extra <code>script</code>
functionality is used).</p>
<p>Plugins should be free to append strings to
<code>config.extra_javascript</code>, but when reading the values, they
must still make sure to read it as <code>str(value)</code> in case it is
an <code>ExtraScriptValue</code> item. For querying the attributes such
as <code>.type</code> you need to check <code>isinstance</code> first.
Static type checking will guide you in that. (<a
href="https://redirect.github.com/mkdocs/mkdocs/issues/3324">#3324</a>)</p>
</li>
</ul>
<p>See <a
href="https://github.com/mkdocs/mkdocs/compare/1.5.1...1.5.2">commit
log</a>.</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/mkdocs/mkdocs/commit/79f17b4b71c73460c304e3281f6ff209788a76bf"><code>79f17b4</code></a>
Release 1.5.2 (<a
href="https://redirect.github.com/mkdocs/mkdocs/issues/3330">#3330</a>)</li>
<li><a
href="https://github.com/mkdocs/mkdocs/commit/91e37aea5ee9e91142976bb99da1bcc3f199d0b9"><code>91e37ae</code></a>
Change extra_javascript items to usually be strings again (<a
href="https://redirect.github.com/mkdocs/mkdocs/issues/3324">#3324</a>)</li>
<li><a
href="https://github.com/mkdocs/mkdocs/commit/4944c9fe354acfc39f3e782ed884c0194280136e"><code>4944c9f</code></a>
Drop obsolete readthedocs config, we switched to gh-pages (<a
href="https://redirect.github.com/mkdocs/mkdocs/issues/3326">#3326</a>)</li>
<li><a
href="https://github.com/mkdocs/mkdocs/commit/63052bc1be0a06fee8578c7dc2b508f971589dca"><code>63052bc</code></a>
Correct detection of dropping anchorlink from page title (<a
href="https://redirect.github.com/mkdocs/mkdocs/issues/3325">#3325</a>)</li>
<li><a
href="https://github.com/mkdocs/mkdocs/commit/fcb2da399f029bd569b708479a39a5f2c700b5a2"><code>fcb2da3</code></a>
Restore functionality of --no-livereload (<a
href="https://redirect.github.com/mkdocs/mkdocs/issues/3320">#3320</a>)</li>
<li>See full diff in <a
href="https://github.com/mkdocs/mkdocs/compare/1.5.1...1.5.2">compare
view</a></li>
</ul>
</details>
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