Bump rexml from 3.3.3 to 3.3.6 in /docs in the bundler group (#4204)

Bumps the bundler group in /docs with 1 update:
[rexml](https://github.com/ruby/rexml).

Updates `rexml` from 3.3.3 to 3.3.6
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/ruby/rexml/releases">rexml's
releases</a>.</em></p>
<blockquote>
<h2>REXML 3.3.6 - 2024-08-22</h2>
<h3>Improvements</h3>
<ul>
<li>
<p>Removed duplicated entity expansions for performance.</p>
<ul>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/194">GH-194</a></li>
<li>Patch by Viktor Ivarsson.</li>
</ul>
</li>
<li>
<p>Improved namespace conflicted attribute check performance. It was
too slow for deep elements.</p>
<ul>
<li>Reported by l33thaxor.</li>
</ul>
</li>
</ul>
<h3>Fixes</h3>
<ul>
<li>
<p>Fixed a bug that default entity expansions are counted for
security check. Default entity expansions should not be counted
because they don't have a security risk.</p>
<ul>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/198">GH-198</a></li>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/199">GH-199</a></li>
<li>Patch Viktor Ivarsson</li>
</ul>
</li>
<li>
<p>Fixed a parser bug that parameter entity references in internal
subsets are expanded. It's not allowed in the XML specification.</p>
<ul>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/191">GH-191</a></li>
<li>Patch by NAITOH Jun.</li>
</ul>
</li>
<li>
<p>Fixed a stream parser bug that user-defined entity references in
text aren't expanded.</p>
<ul>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/200">GH-200</a></li>
<li>Patch by NAITOH Jun.</li>
</ul>
</li>
</ul>
<h3>Thanks</h3>
<ul>
<li>
<p>Viktor Ivarsson</p>
</li>
<li>
<p>NAITOH Jun</p>
</li>
<li>
<p>l33thaxor</p>
</li>
</ul>
<h2>REXML 3.3.5 - 2024-08-12</h2>
<h3>Fixes</h3>
<ul>
<li>Fixed a bug that
<code>REXML::Security.entity_expansion_text_limit</code>
check has wrong text size calculation in SAX and pull parsers.
<ul>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/193">GH-193</a></li>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/195">GH-195</a></li>
<li>Reported by Viktor Ivarsson.</li>
<li>Patch by NAITOH Jun.</li>
</ul>
</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/ruby/rexml/blob/master/NEWS.md">rexml's
changelog</a>.</em></p>
<blockquote>
<h2>3.3.6 - 2024-08-22 {#version-3-3-6}</h2>
<h3>Improvements</h3>
<ul>
<li>
<p>Removed duplicated entity expansions for performance.</p>
<ul>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/194">GH-194</a></li>
<li>Patch by Viktor Ivarsson.</li>
</ul>
</li>
<li>
<p>Improved namespace conflicted attribute check performance. It was
too slow for deep elements.</p>
<ul>
<li>Reported by l33thaxor.</li>
</ul>
</li>
</ul>
<h3>Fixes</h3>
<ul>
<li>
<p>Fixed a bug that default entity expansions are counted for
security check. Default entity expansions should not be counted
because they don't have a security risk.</p>
<ul>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/198">GH-198</a></li>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/199">GH-199</a></li>
<li>Patch Viktor Ivarsson</li>
</ul>
</li>
<li>
<p>Fixed a parser bug that parameter entity references in internal
subsets are expanded. It's not allowed in the XML specification.</p>
<ul>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/191">GH-191</a></li>
<li>Patch by NAITOH Jun.</li>
</ul>
</li>
<li>
<p>Fixed a stream parser bug that user-defined entity references in
text aren't expanded.</p>
<ul>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/200">GH-200</a></li>
<li>Patch by NAITOH Jun.</li>
</ul>
</li>
</ul>
<h3>Thanks</h3>
<ul>
<li>
<p>Viktor Ivarsson</p>
</li>
<li>
<p>NAITOH Jun</p>
</li>
<li>
<p>l33thaxor</p>
</li>
</ul>
<h2>3.3.5 - 2024-08-12 {#version-3-3-5}</h2>
<h3>Fixes</h3>
<ul>
<li>Fixed a bug that
<code>REXML::Security.entity_expansion_text_limit</code>
check has wrong text size calculation in SAX and pull parsers.
<ul>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/193">GH-193</a></li>
<li><a
href="https://redirect.github.com/ruby/rexml/issues/195">GH-195</a></li>
<li>Reported by Viktor Ivarsson.</li>
<li>Patch by NAITOH Jun.</li>
</ul>
</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/ruby/rexml/commit/95871f399eda642a022b03550479b7994895c742"><code>95871f3</code></a>
Add 3.3.6 entry</li>
<li><a
href="https://github.com/ruby/rexml/commit/7cb5eaeb221c322b9912f724183294d8ce96bae3"><code>7cb5eae</code></a>
parser tree: improve namespace conflicted attribute check
performance</li>
<li><a
href="https://github.com/ruby/rexml/commit/6109e0183cecf4f8b587d76209716cb1bbcd6bd5"><code>6109e01</code></a>
Fix a bug that Stream parser doesn't expand the user-defined entity
reference...</li>
<li><a
href="https://github.com/ruby/rexml/commit/cb158582f18cebb3bf7b3f21f230e2fb17d435aa"><code>cb15858</code></a>
parser: keep the current namespaces instead of stack of Set</li>
<li><a
href="https://github.com/ruby/rexml/commit/2b47b161db19c38c5e45e36c2008c045543e976e"><code>2b47b16</code></a>
parser: move duplicated end tag check to BaseParser</li>
<li><a
href="https://github.com/ruby/rexml/commit/35e1681a179c28d5b6ec97d4ab1c110e5ac00303"><code>35e1681</code></a>
test tree-parser: move common method to base class</li>
<li><a
href="https://github.com/ruby/rexml/commit/6e00a14daf2f901df535eafe96cc94d43a957ffe"><code>6e00a14</code></a>
test: fix indent</li>
<li><a
href="https://github.com/ruby/rexml/commit/df3a0cc83013f3cde7b7c2044e3ce00bcad321cb"><code>df3a0cc</code></a>
test: fix indent</li>
<li><a
href="https://github.com/ruby/rexml/commit/fdbffe744b38811be8b1cf6a9eec3eea4d71c412"><code>fdbffe7</code></a>
Use loop instead of recursive call for Element#namespace</li>
<li><a
href="https://github.com/ruby/rexml/commit/6422fa34494fd4145d7bc68fbbe9525d42becf62"><code>6422fa3</code></a>
Use loop instead of recursive call for Element#root</li>
<li>Additional commits viewable in <a
href="https://github.com/ruby/rexml/compare/v3.3.3...v3.3.6">compare
view</a></li>
</ul>
</details>
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docs/Gemfile.lock

@@ -224,7 +224,7 @@ GEM
     rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.3.3)
+    rexml (3.3.6)
       strscan
     rouge (3.26.0)
     ruby2_keywords (0.0.5)