deps(deps): bump unist-util-visit from 5.0.0 to 5.1.0 in the markdown group

Bumps the markdown group with 1 update: [unist-util-visit](https://github.com/syntax-tree/unist-util-visit).

Updates `unist-util-visit` from 5.0.0 to 5.1.0
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/syntax-tree/unist-util-visit/releases">unist-util-visit's releases</a>.</em></p>
<blockquote>
<h2>5.1.0</h2>
<h4>Types</h4>
<ul>
<li>8607d64 Refactor to use <code>@import</code>s</li>
<li>efbed8a Add declaration maps</li>
<li>639c0e5 Fix type support for readonly arrays
by <a href="https://github.com/JounQin"><code>@​JounQin</code></a> in <a href="https://redirect.github.com/syntax-tree/unist-util-visit/pull/40">syntax-tree/unist-util-visit#40</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/syntax-tree/unist-util-visit/compare/5.0.0...5.1.0">https://github.com/syntax-tree/unist-util-visit/compare/5.0.0...5.1.0</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/syntax-tree/unist-util-visit/commit/5d601df684ca7341646d6b57eb0f20fdfe277bc2"><code>5d601df</code></a> 5.1.0</li>
<li><a href="https://github.com/syntax-tree/unist-util-visit/commit/7b42d0e46667fa74d8d8f6a266ed0d5c7164fbcd"><code>7b42d0e</code></a> Update node in actions</li>
<li><a href="https://github.com/syntax-tree/unist-util-visit/commit/1b1859dc7a9fe441857c725e762517224a6a4963"><code>1b1859d</code></a> Update actions</li>
<li><a href="https://github.com/syntax-tree/unist-util-visit/commit/2d88456d5538965899bba93f798e326d3ecf9f3c"><code>2d88456</code></a> Update dev-dependencies</li>
<li><a href="https://github.com/syntax-tree/unist-util-visit/commit/8607d6461107ba5f2168ef4d95de2103f07f7f97"><code>8607d64</code></a> Refactor to use <code>@import</code>s</li>
<li><a href="https://github.com/syntax-tree/unist-util-visit/commit/efbed8aebd36936aad4d0f2a2a000ad1d29d0b4b"><code>efbed8a</code></a> Add declaration maps</li>
<li><a href="https://github.com/syntax-tree/unist-util-visit/commit/f80cf39f2571ee4e9b8a0005aea5413903caebdc"><code>f80cf39</code></a> Add <code>.tsbuildinfo</code> to <code>.gitignore</code></li>
<li><a href="https://github.com/syntax-tree/unist-util-visit/commit/639c0e5eb00178fc9285c247bd07da8bd3573259"><code>639c0e5</code></a> Fix type support for readonly arrays</li>
<li><a href="https://github.com/syntax-tree/unist-util-visit/commit/9121f9910c315867bd9a0c960ef5e95715790c2a"><code>9121f99</code></a> Update dev-dependencies</li>
<li>See full diff in <a href="https://github.com/syntax-tree/unist-util-visit/compare/5.0.0...5.1.0">compare view</a></li>
</ul>
</details>
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