chore(deps): Bump ruby/setup-ruby from 1.255.0 to 1.256.0 (#123)

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.255.0
to 1.256.0.
<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>v1.256.0</h2>
<h2>What's Changed</h2>
<ul>
<li>Bump actions/checkout from 4 to 5 by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a>[bot]
in <a
href="https://redirect.github.com/ruby/setup-ruby/pull/797">ruby/setup-ruby#797</a></li>
<li>Add JRuby for Windows on Arm by <a
href="https://github.com/ntkme"><code>@​ntkme</code></a> in <a
href="https://redirect.github.com/ruby/setup-ruby/pull/796">ruby/setup-ruby#796</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/ruby/setup-ruby/compare/v1.255.0...v1.256.0">https://github.com/ruby/setup-ruby/compare/v1.255.0...v1.256.0</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/ruby/setup-ruby/commit/efbf473cab83af4468e8606cc33eca9281bb213f"><code>efbf473</code></a>
Add JRuby for Windows on Arm</li>
<li><a
href="https://github.com/ruby/setup-ruby/commit/bd28d3616acca500a9cbcb1b5cb2b44cd4e67055"><code>bd28d36</code></a>
Merge pull request <a
href="https://redirect.github.com/ruby/setup-ruby/issues/797">#797</a>
from ruby/dependabot/github_actions/actions/checkout-5</li>
<li><a
href="https://github.com/ruby/setup-ruby/commit/3c08d92a330c0e20f7dd468f21bf9c32d52a5f1c"><code>3c08d92</code></a>
Bump actions/checkout from 4 to 5</li>
<li>See full diff in <a
href="https://github.com/ruby/setup-ruby/compare/829114fc20da43a41d27359103ec7a63020954d4...efbf473cab83af4468e8606cc33eca9281bb213f">compare
view</a></li>
</ul>
</details>
<br />


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</details>

Author: smockle

.github/workflows/test.yml

@@ -31,7 +31,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Setup Ruby
-        uses: ruby/setup-ruby@829114fc20da43a41d27359103ec7a63020954d4
+        uses: ruby/setup-ruby@efbf473cab83af4468e8606cc33eca9281bb213f
         with:
           ruby-version: "3.4"
           bundler-cache: true