Bump regex from 2023.8.8 to 2023.10.3 (#30)

Bumps [regex](https://github.com/mrabarnett/mrab-regex) from 2023.8.8 to
2023.10.3.
<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: 2023.10.3</p>
<pre><code>Updated to Unicode 15.1.0.
</code></pre>
<p>Version: 2023.8.8</p>
<pre><code>Git issue 508: Regex doesn't build using CPython main
(3.13.0a0)
Removed usage of _PyBytes_Join and did a little tidying of the code that
makes the result string.
</code></pre>
<p>Version: 2023.6.3</p>
<pre><code>Git issue 498: Conditional negative lookahead inside positive
lookahead fails to match
Conditional node needed an additional member that points to the true
branch.
</code></pre>
<p>Version: 2023.5.5</p>
<pre><code>Removed semicolon after 'else' in 'munge_name'.
</code></pre>
<p>Version: 2023.5.4</p>
<pre><code>Fixed pyproject.toml and setup.py.
</code></pre>
<p>Version: 2023.5.3</p>
<pre><code>pyproject.toml was missing.
</code></pre>
<p>Version: 2023.5.2</p>
<pre><code>Added pyproject.toml.
</code></pre>
<p>Version: 2023.3.23</p>
<pre><code>Git issue 495: Running time for failing fullmatch increases
rapidly with input length
Re-enabled modified repeat guards due to regression in speed caused by
excessive backtracking.
</code></pre>
<p>Version: 2023.3.22</p>
<pre><code>Git issue 494: Backtracking failure matching regex
`^a?(a?)b?c\1$` against string `abca`
Disabled repeat guards. They keep causing issues, and it's just simpler
to rely on timeouts.
</code></pre>
<p>Version: 2022.10.31</p>
<pre><code>Updated text for supported Unicode and Python versions.
</code></pre>
<p>Version: 2022.9.13</p>
<pre><code>Updated to Unicode 15.0.0.
</code></pre>
<p>Version: 2022.9.11</p>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/mrabarnett/mrab-regex/commit/34333d5009b119949112546b1f82a1edfb590398"><code>34333d5</code></a>
Updated changelog.txt.</li>
<li><a
href="https://github.com/mrabarnett/mrab-regex/commit/fba846ded37a790225cb573e4dca8814d7bf3d85"><code>fba846d</code></a>
Updated to Unicode 15.1.0.</li>
<li>See full diff in <a
href="https://github.com/mrabarnett/mrab-regex/compare/2023.8.8...2023.10.3">compare
view</a></li>
</ul>
</details>
<br />


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</details>

requirements.txt

@@ -4,7 +4,7 @@ dblpy==0.4.0
 discord.py==2.3.2
 motor==3.3.1
 pytz==2023.3.post1
-regex==2023.8.8
+regex==2023.10.3
 requests==2.31.0
 Unidecode==1.3.7
 websockets==11.0.3