Bump shiki from 3.0.0 to 3.1.0 (#6463)

Bumps [shiki](https://github.com/shikijs/shiki/tree/HEAD/packages/shiki)
from 3.0.0 to 3.1.0.
<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>v3.1.0</h2>
<h3>   🚀 Features</h3>
<ul>
<li><strong>engine-js</strong>: Bump deps to work around Safari bug with
some grammars  -  by <a
href="https://github.com/slevithan"><code>@​slevithan</code></a> in <a
href="https://redirect.github.com/shikijs/shiki/issues/941">shikijs/shiki#941</a>
<a href="https://github.com/shikijs/shiki/commit/4720501b"><!-- raw HTML
omitted -->(47205)<!-- raw HTML omitted --></a></li>
<li><strong>twoslash</strong>: Upgrade twoslash v0.3, require typescript
v5.5+, close <a
href="https://github.com/shikijs/shiki/tree/HEAD/packages/shiki/issues/950">#950</a>,
close <a
href="https://github.com/shikijs/shiki/tree/HEAD/packages/shiki/issues/951">#951</a>
 -  by <a href="https://github.com/antfu"><code>@​antfu</code></a> in <a
href="https://redirect.github.com/shikijs/shiki/issues/950">shikijs/shiki#950</a>
and <a
href="https://redirect.github.com/shikijs/shiki/issues/951">shikijs/shiki#951</a>
<a href="https://github.com/shikijs/shiki/commit/5c6f9e92"><!-- raw HTML
omitted -->(5c6f9)<!-- raw HTML omitted --></a></li>
</ul>
<h3>   🐞 Bug Fixes</h3>
<ul>
<li><strong>monaco</strong>: Handle missing settings in textmate theme
func  -  by <a
href="https://github.com/felipetodev"><code>@​felipetodev</code></a> in
<a
href="https://redirect.github.com/shikijs/shiki/issues/939">shikijs/shiki#939</a>
<a href="https://github.com/shikijs/shiki/commit/19f75f66"><!-- raw HTML
omitted -->(19f75)<!-- raw HTML omitted --></a></li>
</ul>
<h5>    <a
href="https://github.com/shikijs/shiki/compare/v3.0.0...v3.1.0">View
changes on GitHub</a></h5>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/shikijs/shiki/commit/ab672eb75a1e26203a30bd506f4b7a6d052d8a8a"><code>ab672eb</code></a>
chore: release v3.1.0</li>
<li>See full diff in <a
href="https://github.com/shikijs/shiki/commits/v3.1.0/packages/shiki">compare
view</a></li>
</ul>
</details>
<br />


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package.json

@@ -35,7 +35,7 @@
     "markdown-it-container": "^4.0.0",
     "markdown-it-deflist": "^3.0.0",
     "sass": "^1.85.1",
-    "shiki": "^3.0.0",
+    "shiki": "^3.1.0",
     "tsx": "^4.19.3"
   },
   "pnpm": {