build(deps-dev): bump minitest from 6.0.5 to 6.0.6 in the all-dependencies group (#243)

Bumps the all-dependencies group with 1 update:
[minitest](https://github.com/minitest/minitest).

Updates `minitest` from 6.0.5 to 6.0.6
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/minitest/minitest/blob/master/History.rdoc">minitest's
changelog</a>.</em></p>
<blockquote>
<p>=== 6.0.6 / 2026-04-30</p>
<ul>
<li>
<p>2 bug fixes:</p>
<ul>
<li>Fix using assert_equal/same/nil w/ BasicObject by comparing w/
<code>nil == exp</code>. (mtasaka)</li>
<li>Removed private Assertions#_where as it is no longer used.</li>
</ul>
</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/minitest/minitest/commit/f6180b07ea6e8504a71d220246da0875f392c51c"><code>f6180b0</code></a>
prepped for release</li>
<li><a
href="https://github.com/minitest/minitest/commit/23bc7f25a8853b9b3c75b9b73c65d231e42cb452"><code>23bc7f2</code></a>
- Removed private Assertions#_where as it is no longer used.</li>
<li><a
href="https://github.com/minitest/minitest/commit/c471347e5daf7f3e362c530170ae3302edad9117"><code>c471347</code></a>
- Fix using assert_equal/same/nil w/ BasicObject by comparing w/
<code>nil == exp</code>...</li>
<li>See full diff in <a
href="https://github.com/minitest/minitest/compare/v6.0.5...v6.0.6">compare
view</a></li>
</ul>
</details>
<br />


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</details>

Author: abdulahmad307

Gemfile.lock

@@ -45,7 +45,7 @@ GEM
     loofah (2.25.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    minitest (6.0.5)
+    minitest (6.0.6)
       drb (~> 2.0)
       prism (~> 1.5)
     nokogiri (1.19.2-arm64-darwin)