Bump regex from 2025.9.18 to 2025.10.23 (#11702)

Bumps [regex](https://github.com/mrabarnett/mrab-regex) from 2025.9.18
to 2025.10.23.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/mrabarnett/mrab-regex/blob/hg/changelog.txt">regex's
changelog</a>.</em></p>
<blockquote>
<p>Version: 2025.10.23</p>
<pre><code>'setup.py' was missing from the source distribution.
</code></pre>
<p>Version: 2025.10.22</p>
<pre><code>Fixed test in main.yml.
</code></pre>
<p>Version: 2025.10.21</p>
<pre><code>Moved tests into subfolder.
</code></pre>
<p>Version: 2025.10.20</p>
<pre><code>Re-organised files.
<p>Updated to Unicode 17.0.0.<br />
</code></pre></p>
<p>Version: 2025.9.20</p>
<pre><code>Enable free-threading support in cibuildwheel in another
place.
</code></pre>
<p>Version: 2025.9.19</p>
<pre><code>Enable free-threading support in cibuildwheel.
</code></pre>
<p>Version: 2025.9.18</p>
<pre><code>Git issue 565: Support the free-threaded build of CPython
3.13
</code></pre>
<p>Version: 2025.9.1</p>
<pre><code>Git PR 585: Fix AttributeError: 'AnyAll' object has no
attribute '_key'
</code></pre>
<p>Version: 2025.8.29</p>
<pre><code>Git issue 584: AttributeError: 'AnyAll' object has no
attribute 'positive'
</code></pre>
<p>Version: 2025.7.34</p>
<pre><code>Git issue 575: Issues with ASCII/Unicode modifiers
</code></pre>
<p>Version: 2025.7.33</p>
<pre><code>Updated main.yml and pyproject.toml.
</code></pre>
<p>Version: 2025.7.32</p>
<pre><code>Git issue 580: Regression in v2025.7.31: \P{L} no longer
matches in simple patterns
</code></pre>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/mrabarnett/mrab-regex/commit/26454da3a67572197648032fe5e7f9a288fa4a0f"><code>26454da</code></a>
'setup.py' was missing from the source distribution.</li>
<li><a
href="https://github.com/mrabarnett/mrab-regex/commit/f2d31b0844789ec19123aa1b5eb19e070018a981"><code>f2d31b0</code></a>
Fixed test in main.yml.</li>
<li><a
href="https://github.com/mrabarnett/mrab-regex/commit/2fd4dc061617b317d0f760f93756a6ae742f055f"><code>2fd4dc0</code></a>
Moved tests into subfolder.</li>
<li><a
href="https://github.com/mrabarnett/mrab-regex/commit/54fa96c29247056b1e9a76eab9dafd929587bbfc"><code>54fa96c</code></a>
Re-organised files.</li>
<li><a
href="https://github.com/mrabarnett/mrab-regex/commit/4359a6a565e6725a899a4e1179c75fdad09030ae"><code>4359a6a</code></a>
Enable free-threading support in cibuildwheel in another place.</li>
<li><a
href="https://github.com/mrabarnett/mrab-regex/commit/2fe11390343743fb69afd5b43fb601a7f19255e0"><code>2fe1139</code></a>
Enable free-threading support in cibuildwheel.</li>
<li>See full diff in <a
href="https://github.com/mrabarnett/mrab-regex/compare/2025.9.18...2025.10.23">compare
view</a></li>
</ul>
</details>
<br />


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Author: dependabot[bot]

requirements/constraints.txt

@@ -198,7 +198,7 @@ pyyaml==6.0.3
     # via pre-commit
 re-assert==1.1.0
     # via -r requirements/test-common.in
-regex==2025.9.18
+regex==2025.10.23
     # via re-assert
 requests==2.32.5
     # via

requirements/dev.txt

@@ -193,7 +193,7 @@ pyyaml==6.0.3
     # via pre-commit
 re-assert==1.1.0
     # via -r requirements/test-common.in
-regex==2025.9.18
+regex==2025.10.23
     # via re-assert
 requests==2.32.5
     # via sphinx

requirements/test-common.txt

@@ -85,7 +85,7 @@ python-on-whales==0.78.0
     # via -r requirements/test-common.in
 re-assert==1.1.0
     # via -r requirements/test-common.in
-regex==2025.9.18
+regex==2025.10.23
     # via re-assert
 rich==14.2.0
     # via pytest-codspeed

requirements/test-ft.txt

@@ -120,7 +120,7 @@ python-on-whales==0.78.0
     # via -r requirements/test-common.in
 re-assert==1.1.0
     # via -r requirements/test-common.in
-regex==2025.9.18
+regex==2025.10.23
     # via re-assert
 rich==14.2.0
     # via pytest-codspeed

requirements/test.txt

@@ -120,7 +120,7 @@ python-on-whales==0.78.0
     # via -r requirements/test-common.in
 re-assert==1.1.0
     # via -r requirements/test-common.in
-regex==2025.9.18
+regex==2025.10.23
     # via re-assert
 rich==14.2.0
     # via pytest-codspeed