Bump mkdocs-callouts from 1.14.1 to 1.15.0 (#183)

Bumps [mkdocs-callouts](https://github.com/sondregronas/mkdocs-callouts) from 1.14.1 to 1.15.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/sondregronas/mkdocs-callouts/releases">mkdocs-callouts's releases</a>.</em></p>
<blockquote>
<h2>v1.15.0 Use aliases as titles when no title is provided</h2>
<p>Adds support for <a href="https://redirect.github.com/sondregronas/mkdocs-callouts/issues/22">#22</a>. See PR <a href="https://redirect.github.com/sondregronas/mkdocs-callouts/issues/23">#23</a> for details</p>
<h2>What's Changed</h2>
<ul>
<li>feat: fallback to alias as a title when using aliases by <a href="https://github.com/sondregronas"><code>@​sondregronas</code></a> in <a href="https://redirect.github.com/sondregronas/mkdocs-callouts/pull/23">sondregronas/mkdocs-callouts#23</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/sondregronas/mkdocs-callouts/compare/v1.14.1...v1.15.0">https://github.com/sondregronas/mkdocs-callouts/compare/v1.14.1...v1.15.0</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/sondregronas/mkdocs-callouts/commit/8bff974c7679631a170daa1bd75f653e7359ac06"><code>8bff974</code></a> feat: fallback to alias as a title when using aliases</li>
<li><a href="https://github.com/sondregronas/mkdocs-callouts/commit/4659cd4cb68fad2c5a95c25e9188b10354d10423"><code>4659cd4</code></a> feat: fallback to alias as a title when using aliases</li>
<li>See full diff in <a href="https://github.com/sondregronas/mkdocs-callouts/compare/v1.14.1...v1.15.0">compare view</a></li>
</ul>
</details>
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</details>

requirements.txt

@@ -2,4 +2,4 @@ mkdocs==1.6.1
 mkdocs-material==9.5.48
 mkdocs-git-revision-date-localized-plugin==1.3.0
 mkdocs-ezlinked-plugin==0.3.3
-mkdocs-callouts==1.14.1
+mkdocs-callouts==1.15.0