Bump concurrent-ruby from 1.3.6 to 1.3.7 in /alchemrest (#48)

Bumps
[concurrent-ruby](https://github.com/ruby-concurrency/concurrent-ruby)
from 1.3.6 to 1.3.7.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/ruby-concurrency/concurrent-ruby/releases">concurrent-ruby's
releases</a>.</em></p>
<blockquote>
<h2>v1.3.7</h2>
<!-- raw HTML omitted -->
<p>There are 3 security fixes in this release, so updating is
recommended.
These security vulnerabilities are not very likely to be hit in practice
and have a corresponding <code>Low</code> severity score.</p>
<!-- raw HTML omitted -->
<h2>What's Changed</h2>
<ul>
<li><a
href="https://github.com/ruby-concurrency/concurrent-ruby/security/advisories/GHSA-h8w8-99g7-qmvj">CVE-2026-54904</a>
<code>AtomicReference#update</code> livelocks when the stored value is
<code>Float::NAN</code>. Fix by <a
href="https://github.com/joshuay03"><code>@​joshuay03</code></a> and <a
href="https://github.com/eregon"><code>@​eregon</code></a></li>
<li><a
href="https://github.com/ruby-concurrency/concurrent-ruby/security/advisories/GHSA-wv3x-4vxv-whpp">CVE-2026-54905</a>
<code>ReentrantReadWriteLock</code> read-count overflow grants a write
lock without exclusivity. Fix by <a
href="https://github.com/joshuay03"><code>@​joshuay03</code></a></li>
<li><a
href="https://github.com/ruby-concurrency/concurrent-ruby/security/advisories/GHSA-6wx8-w4f5-wwcr">CVE-2026-54906</a>
<code>ReadWriteLock</code> allows wrong-thread write release and stray
read-release counter corruption. Fix by <a
href="https://github.com/joshuay03"><code>@​joshuay03</code></a></li>
<li>concurrent-ruby-ext: fix build on Darwin 32-bit by <a
href="https://github.com/barracuda156"><code>@​barracuda156</code></a>
in <a
href="https://redirect.github.com/ruby-concurrency/concurrent-ruby/pull/1064">ruby-concurrency/concurrent-ruby#1064</a></li>
<li>Add SECURITY.md by <a
href="https://github.com/eregon"><code>@​eregon</code></a> in <a
href="https://redirect.github.com/ruby-concurrency/concurrent-ruby/pull/1104">ruby-concurrency/concurrent-ruby#1104</a></li>
<li>Add Ruby 4.0 in CI by <a
href="https://github.com/eregon"><code>@​eregon</code></a> in <a
href="https://redirect.github.com/ruby-concurrency/concurrent-ruby/pull/1106">ruby-concurrency/concurrent-ruby#1106</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a
href="https://github.com/barracuda156"><code>@​barracuda156</code></a>
made their first contribution in <a
href="https://redirect.github.com/ruby-concurrency/concurrent-ruby/pull/1064">ruby-concurrency/concurrent-ruby#1064</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/ruby-concurrency/concurrent-ruby/compare/v1.3.6...v1.3.7">https://github.com/ruby-concurrency/concurrent-ruby/compare/v1.3.6...v1.3.7</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/ruby-concurrency/concurrent-ruby/blob/master/CHANGELOG.md">concurrent-ruby's
changelog</a>.</em></p>
<blockquote>
<h2>Release v1.3.7 (16 June 2026)</h2>
<p>concurrent-ruby:</p>
<ul>
<li>See the <a
href="https://github.com/ruby-concurrency/concurrent-ruby/releases/tag/v1.3.7">release
notes on GitHub</a>.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/ruby-concurrency/concurrent-ruby/commit/4c8fc28ab6bb9bd8258a4c0c2fa6d35ebe77b3cb"><code>4c8fc28</code></a>
Release 1.3.7</li>
<li><a
href="https://github.com/ruby-concurrency/concurrent-ruby/commit/d91ca9426cb819d6cc63f1bd64bfe54644d0beca"><code>d91ca94</code></a>
Fix AtomicReference#update livelock when stored value is Float::NAN on
JRuby ...</li>
<li><a
href="https://github.com/ruby-concurrency/concurrent-ruby/commit/7e4d711bacf7a1dac3ef6bda44004387be2dc7e6"><code>7e4d711</code></a>
Fix <code>ReentrantReadWriteLock</code> read hold overflow into
write-lock bit</li>
<li><a
href="https://github.com/ruby-concurrency/concurrent-ruby/commit/6e37e0644b83b182971dc540d2e4bee38df61386"><code>6e37e06</code></a>
Fix <code>AtomicReference#update</code> livelock when stored value is
<code>Float::NAN</code></li>
<li><a
href="https://github.com/ruby-concurrency/concurrent-ruby/commit/2825cfa12cb708b76557803957f76862eb1151a2"><code>2825cfa</code></a>
Cleanup spec</li>
<li><a
href="https://github.com/ruby-concurrency/concurrent-ruby/commit/3fd493283ca5f84f0ef4e84aabd43ad68df4626b"><code>3fd4932</code></a>
Fix <code>ReadWriteLock</code> wrong-thread write release and stray read
release</li>
<li><a
href="https://github.com/ruby-concurrency/concurrent-ruby/commit/1974b4772efc034ee8eaa562b4370343f4c5c54b"><code>1974b47</code></a>
Add Ruby 4.0 in CI</li>
<li><a
href="https://github.com/ruby-concurrency/concurrent-ruby/commit/df8706d40c483d76bbb0b3a35a633c68fa9e17be"><code>df8706d</code></a>
Add SECURITY.md (<a
href="https://redirect.github.com/ruby-concurrency/concurrent-ruby/issues/1104">#1104</a>)</li>
<li><a
href="https://github.com/ruby-concurrency/concurrent-ruby/commit/7a1b78941c081106c20a9ca0144ac73a48d254ab"><code>7a1b789</code></a>
Bump actions/upload-pages-artifact from 4 to 5</li>
<li><a
href="https://github.com/ruby-concurrency/concurrent-ruby/commit/9b2dbf712896a638a73d2fa221206961c8d6484d"><code>9b2dbf7</code></a>
Bump actions/deploy-pages from 4 to 5</li>
<li>Additional commits viewable in <a
href="https://github.com/ruby-concurrency/concurrent-ruby/compare/v1.3.6...v1.3.7">compare
view</a></li>
</ul>
</details>
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Author: 3 people

alchemrest/Gemfile.lock

@@ -88,7 +88,7 @@ GEM
     concord (0.1.6)
       adamantium (~> 0.2.0)
       equalizer (~> 0.0.9)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.7)
     connection_pool (3.0.2)
     crack (1.0.0)
       bigdecimal