Bump puma from 6.4.1 to 6.4.2 (#173)

Bumps [puma](https://github.com/puma/puma) from 6.4.1 to 6.4.2.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/puma/puma/blob/master/History.md">puma's
changelog</a>.</em></p>
<blockquote>
<h2>6.4.2 / 2024-01-08</h2>
<ul>
<li>Security
<ul>
<li>Limit the size of chunk extensions. Without this limit, an attacker
could cause unbounded resource (CPU, network bandwidth) consumption. (<a
href="https://github.com/puma/puma/security/advisories/GHSA-c2f4-cvqm-65w2">GHSA-c2f4-cvqm-65w2</a>)</li>
</ul>
</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/puma/puma/commit/5fc43d73b6ff193325e657a24ed76dec79133e93"><code>5fc43d7</code></a>
5.6.8 and 6.4.2</li>
<li><a
href="https://github.com/puma/puma/commit/dfbba22216f34a60bb55e1e007b1ad5951934cb8"><code>dfbba22</code></a>
6.4.2</li>
<li><a
href="https://github.com/puma/puma/commit/60d5ee3734adc8cee85c3f0561af392448fe19b7"><code>60d5ee3</code></a>
Merge pull request from GHSA-c2f4-cvqm-65w2</li>
<li>See full diff in <a
href="https://github.com/puma/puma/compare/v6.4.1...v6.4.2">compare
view</a></li>
</ul>
</details>
<br />


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Gemfile.lock

@@ -258,7 +258,7 @@ GEM
     psych (5.1.2)
       stringio
     public_suffix (5.0.3)
-    puma (6.4.1)
+    puma (6.4.2)
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.7.3)