Bump storybook from 8.6.3 to 8.6.4 (#13356)

Bumps
[storybook](https://github.com/storybookjs/storybook/tree/HEAD/code/lib/cli)
from 8.6.3 to 8.6.4.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/storybookjs/storybook/releases">storybook's
releases</a>.</em></p>
<blockquote>
<h2>v8.6.4</h2>
<h2>8.6.4</h2>
<ul>
<li>Manager: Add Content-Type to fix Cloud IDEs - <a
href="https://redirect.github.com/storybookjs/storybook/pull/30606">#30606</a>,
thanks <a
href="https://github.com/GCHQDeveloper548"><code>@​GCHQDeveloper548</code></a>!</li>
<li>Vite: Include <code>node_modules</code> in stats file - <a
href="https://redirect.github.com/storybookjs/storybook/pull/30711">#30711</a>,
thanks <a
href="https://github.com/JReinhold"><code>@​JReinhold</code></a>!</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/storybookjs/storybook/blob/v8.6.4/CHANGELOG.md">storybook's
changelog</a>.</em></p>
<blockquote>
<h2>8.6.4</h2>
<ul>
<li>Manager: Add Content-Type to fix Cloud IDEs - <a
href="https://redirect.github.com/storybookjs/storybook/pull/30606">#30606</a>,
thanks <a
href="https://github.com/GCHQDeveloper548"><code>@​GCHQDeveloper548</code></a>!</li>
<li>Vite: Include <code>node_modules</code> in stats file - <a
href="https://redirect.github.com/storybookjs/storybook/pull/30711">#30711</a>,
thanks <a
href="https://github.com/JReinhold"><code>@​JReinhold</code></a>!</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/storybookjs/storybook/commit/d8260421bed5d80f5cc261d462630e07c1f5deca"><code>d826042</code></a>
Bump version from &quot;8.6.3&quot; to &quot;8.6.4&quot; [skip ci]</li>
<li>See full diff in <a
href="https://github.com/storybookjs/storybook/commits/v8.6.4/code/lib/cli">compare
view</a></li>
</ul>
</details>
<br />


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Author: dependabot[bot]