Update markdown requirement from =1.0.0-alpha.21 to =1.0.0-alpha.22 (#16

)

Updates the requirements on
[markdown](https://github.com/wooorm/markdown-rs) to permit the latest
version.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/wooorm/markdown-rs/releases">markdown's
releases</a>.</em></p>
<blockquote>
<h2>1.0.0-alpha.22</h2>
<ul>
<li>e9d53d2 Fix first line ending in paragaph after frontmatter</li>
<li>4e92bb3 f9b799d d5a0f56 Fix expression indent, sync tests w/
micromark</li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/wooorm/markdown-rs/compare/1.0.0-alpha.21...1.0.0-alpha.22">https://github.com/wooorm/markdown-rs/compare/1.0.0-alpha.21...1.0.0-alpha.22</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/wooorm/markdown-rs/commit/fef10ff63d039eb006256f64e6880e4cbbf75a0a"><code>fef10ff</code></a>
1.0.0-alpha.22</li>
<li><a
href="https://github.com/wooorm/markdown-rs/commit/d911b373b407495932cbdaa1a78179846c6714a9"><code>d911b37</code></a>
Update dev-dependencies</li>
<li><a
href="https://github.com/wooorm/markdown-rs/commit/e9d53d2ac777e1f2575f5c516f9677f3a096c5d8"><code>e9d53d2</code></a>
Fix first line ending in paragaph after frontmatter</li>
<li><a
href="https://github.com/wooorm/markdown-rs/commit/4e92bb324c36b80c0cac02dd29bf3e3d9f4fae08"><code>4e92bb3</code></a>
Fix expression indent, sync tests w/ micromark</li>
<li><a
href="https://github.com/wooorm/markdown-rs/commit/f9b799db644fc46e56947bbf46b921af44c753d2"><code>f9b799d</code></a>
Fix indent</li>
<li><a
href="https://github.com/wooorm/markdown-rs/commit/08c046026123352c898067105b5c277edfc6a41f"><code>08c0460</code></a>
Update dev-dependencies</li>
<li><a
href="https://github.com/wooorm/markdown-rs/commit/d5a0f5637b63a5be6053d2f192596bba64c35099"><code>d5a0f56</code></a>
Fix expressions indent</li>
<li><a
href="https://github.com/wooorm/markdown-rs/commit/5c9eba146f06b2e0531a901cb586c0a877edb3ea"><code>5c9eba1</code></a>
Update dev-dependencies</li>
<li><a
href="https://github.com/wooorm/markdown-rs/commit/9ed45b41d5a3b8c9924da358cbd0b60c36c59759"><code>9ed45b4</code></a>
Add support for serializing math nodes as markdown</li>
<li><a
href="https://github.com/wooorm/markdown-rs/commit/e7ed52683a831f5a9fe4c692accf98f7bc9dd82c"><code>e7ed526</code></a>
Refactor code style, add links to js versions</li>
<li>Additional commits viewable in <a
href="https://github.com/wooorm/markdown-rs/compare/1.0.0-alpha.21...1.0.0-alpha.22">compare
view</a></li>
</ul>
</details>
<br />


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Cargo.toml

@@ -18,7 +18,7 @@ exclude = [
 chrono = "0.4"
 indexmap = "2"
 lazy_static = "1"
-markdown = "=1.0.0-alpha.21"
+markdown = "=1.0.0-alpha.22"
 regex = "1"
 semver = "1"
 thiserror = "2"