Bump ruby/setup-ruby from 1.286.0 to 1.287.0 (#578)

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.286.0
to 1.287.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/ruby/setup-ruby/releases">ruby/setup-ruby's
releases</a>.</em></p>
<blockquote>
<h2>v1.287.0</h2>
<h2>What's Changed</h2>
<ul>
<li>Improve the mise.toml parser to conform to the TOML specification by
<a href="https://github.com/pan93412"><code>@​pan93412</code></a> in <a
href="https://redirect.github.com/ruby/setup-ruby/pull/868">ruby/setup-ruby#868</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/pan93412"><code>@​pan93412</code></a>
made their first contribution in <a
href="https://redirect.github.com/ruby/setup-ruby/pull/868">ruby/setup-ruby#868</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/ruby/setup-ruby/compare/v1.286.0...v1.287.0">https://github.com/ruby/setup-ruby/compare/v1.286.0...v1.287.0</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/ruby/setup-ruby/commit/8d27f39a5e7ad39aebbcbd1324f7af020229645c"><code>8d27f39</code></a>
Improve the mise.toml parser to conform to the TOML specification</li>
<li>See full diff in <a
href="https://github.com/ruby/setup-ruby/compare/90be1154f987f4dc0fe0dd0feedac9e473aa4ba8...8d27f39a5e7ad39aebbcbd1324f7af020229645c">compare
view</a></li>
</ul>
</details>
<br />


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</details>

Author: boveus

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
     - uses: actions/checkout@v6
     - name: Set up Ruby ${{ matrix.ruby }}
-      uses: ruby/setup-ruby@90be1154f987f4dc0fe0dd0feedac9e473aa4ba8 #v1.269.0 tag
+      uses: ruby/setup-ruby@8d27f39a5e7ad39aebbcbd1324f7af020229645c #v1.269.0 tag
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true