Bump shiki from 1.21.0 to 1.22.0 (#6132)

Bumps [shiki](https://github.com/shikijs/shiki/tree/HEAD/packages/shiki)
from 1.21.0 to 1.22.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/shikijs/shiki/releases">shiki's
releases</a>.</em></p>
<blockquote>
<h2>v1.22.0</h2>
<h3>   🚀 Features</h3>
<ul>
<li>Store grammar state in weakmap  -  by <a
href="https://github.com/antfu"><code>@​antfu</code></a> in <a
href="https://redirect.github.com/shikijs/shiki/issues/804">shikijs/shiki#804</a>
<a href="https://github.com/shikijs/shiki/commit/320d7582"><!-- raw HTML
omitted -->(320d7)<!-- raw HTML omitted --></a></li>
</ul>
<h5>    <a
href="https://github.com/shikijs/shiki/compare/v1.21.1...v1.22.0">View
changes on GitHub</a></h5>
<h2>v1.21.1</h2>
<h3>   🚀 Features</h3>
<ul>
<li>Update deps  -  by <a
href="https://github.com/antfu"><code>@​antfu</code></a> <a
href="https://github.com/shikijs/shiki/commit/2bdf1b89"><!-- raw HTML
omitted -->(2bdf1)<!-- raw HTML omitted --></a></li>
</ul>
<h5>    <a
href="https://github.com/shikijs/shiki/compare/v1.21.0...v1.21.1">View
changes on GitHub</a></h5>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/shikijs/shiki/commit/2d58f7ff7bd642682e93b577d9b68bede8548ef8"><code>2d58f7f</code></a>
chore: release v1.22.0</li>
<li><a
href="https://github.com/shikijs/shiki/commit/320d75821e3f528f8dea6e4df626a82cdfb655ec"><code>320d758</code></a>
feat: store grammar state in weakmap (<a
href="https://github.com/shikijs/shiki/tree/HEAD/packages/shiki/issues/804">#804</a>)</li>
<li><a
href="https://github.com/shikijs/shiki/commit/ea4b8dd7f9f4a4b75904edf3ec5a2d59b00080a1"><code>ea4b8dd</code></a>
chore: release v1.21.1</li>
<li><a
href="https://github.com/shikijs/shiki/commit/2bdf1b89c9f39730e8948e22c4a31a28889e89c4"><code>2bdf1b8</code></a>
feat: update deps</li>
<li>See full diff in <a
href="https://github.com/shikijs/shiki/commits/v1.22.0/packages/shiki">compare
view</a></li>
</ul>
</details>
<br />


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score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=shiki&package-manager=npm_and_yarn&previous-version=1.21.0&new-version=1.22.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

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package.json

@@ -36,6 +36,6 @@
     "markdown-it-container": "^4.0.0",
     "markdown-it-deflist": "^3.0.0",
     "sass": "^1.79.4",
-    "shiki": "^1.21.0"
+    "shiki": "^1.22.0"
   }
 }