Bump pyyaml from 6.0.2 to 6.0.3 (#641)

Bumps [pyyaml](https://github.com/yaml/pyyaml) from 6.0.2 to 6.0.3.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/yaml/pyyaml/releases">pyyaml's
releases</a>.</em></p>
<blockquote>
<h2>6.0.3</h2>
<h2>What's Changed</h2>
<ul>
<li>Support for Python 3.14 and free-threading (experimental).</li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/yaml/pyyaml/compare/6.0.2...6.0.3">https://github.com/yaml/pyyaml/compare/6.0.2...6.0.3</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/yaml/pyyaml/blob/6.0.3/CHANGES">pyyaml's
changelog</a>.</em></p>
<blockquote>
<p>6.0.3 (2025-09-25)</p>
<ul>
<li><a
href="https://redirect.github.com/yaml/pyyaml/pull/864">yaml/pyyaml#864</a>
-- Support for Python 3.14 and free-threading (experimental)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/yaml/pyyaml/commit/49790e73684bebad1df05ef8d828fa12f685bffb"><code>49790e7</code></a>
Release 6.0.3 (<a
href="https://redirect.github.com/yaml/pyyaml/issues/889">#889</a>)</li>
<li>See full diff in <a
href="https://github.com/yaml/pyyaml/compare/6.0.2...6.0.3">compare
view</a></li>
</ul>
</details>
<br />


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requirements.txt

@@ -1,4 +1,4 @@
 numpy==2.2.3
 XlsxWriter==3.2.9
-PyYAML==6.0.2
+PyYAML==6.0.3
 pre-commit==4.3.0