Bumps [bufbuild/buf-setup-action](https://github.com/bufbuild/buf-setup-action) from 1.7.0 to 1.8.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/bufbuild/buf-setup-action/releases">bufbuild/buf-setup-action's releases</a>.</em></p>
<blockquote>
<h2>v1.8.0</h2>
<ul>
<li>Set the default buf version to v1.8.0</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="ebfad693a1"><code>ebfad69</code></a> Update to v1.8.0</li>
<li><a href="9da1a4b683"><code>9da1a4b</code></a> upgrade dependencies (<a href="https://github-redirect.dependabot.com/bufbuild/buf-setup-action/issues/58">#58</a>)</li>
<li>See full diff in <a href="https://github.com/bufbuild/buf-setup-action/compare/v1.7.0...v1.8.0">compare view</a></li>
</ul>
</details>
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