chore(deps): Bump zipp from 3.20.0 to 3.21.0 in /experimenter/tests (#11741)

Bumps [zipp](https://github.com/jaraco/zipp) from 3.20.0 to 3.21.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/jaraco/zipp/blob/main/NEWS.rst">zipp's
changelog</a>.</em></p>
<blockquote>
<h1>v3.21.0</h1>
<h2>Features</h2>
<ul>
<li>Improve performances of :meth:<code>zipfile.Path.open</code> for
non-reading modes. (1a1928d)</li>
<li>Rely on cached_property to cache values on the instance.</li>
<li>Rely on save_method_args to save method args.</li>
</ul>
<h1>v3.20.2</h1>
<h2>Bugfixes</h2>
<ul>
<li>Make zipp.compat.overlay.zipfile hashable. (<a
href="https://redirect.github.com/jaraco/zipp/issues/126">#126</a>)</li>
</ul>
<h1>v3.20.1</h1>
<h2>Bugfixes</h2>
<ul>
<li><code>python/cpython#123270</code></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/jaraco/zipp/commit/45b7f675c0bcaa4f3f9d15b4399fc71e74f2408c"><code>45b7f67</code></a>
Finalize</li>
<li><a
href="https://github.com/jaraco/zipp/commit/71ddd8d4f4ab200af870f0060d9ee8c6b7056681"><code>71ddd8d</code></a>
Skip
<code>zipfile.Path.exists</code><code>python/cpython#126576</code></li>
<li><a
href="https://github.com/jaraco/zipp/commit/9a2705ee2a376a948f1e89320c8c7356829a42eb"><code>9a2705e</code></a>
Merge <a
href="https://github.com/jaraco/skeleton">https://github.com/jaraco/skeleton</a></li>
<li><a
href="https://github.com/jaraco/zipp/commit/5c34e69568f23a524af4fa9dad3f5e80f22ec3e6"><code>5c34e69</code></a>
Use extend for proper workaround.</li>
<li><a
href="https://github.com/jaraco/zipp/commit/ee027f698c9cc629fb0018bc55cbb73267db2817"><code>ee027f6</code></a>
Merge <a
href="https://github.com/jaraco/skeleton">https://github.com/jaraco/skeleton</a></li>
<li><a
href="https://github.com/jaraco/zipp/commit/750a1891ec4a1c0602050e3463e9593a8c13aa14"><code>750a189</code></a>
Require Python 3.9 or later now that Python 3.8 is EOL.</li>
<li><a
href="https://github.com/jaraco/zipp/commit/e61a9df7cdc9c8d1b56c30b7b3f94a7cdac14414"><code>e61a9df</code></a>
Include pyproject.toml in ruff.toml.</li>
<li><a
href="https://github.com/jaraco/zipp/commit/db4dfc495552aca8d6f05ed58441fa65fdc2ed9c"><code>db4dfc4</code></a><code>jaraco/skeleton#151</code></li>
<li><a
href="https://github.com/jaraco/zipp/commit/62b6678a32087ed3bfc8ff19761764340295834e"><code>62b6678</code></a>
Bump pre-commit hook for ruff to avoid clashes with pytest-ruff
(jaraco/skele...</li>
<li><a
href="https://github.com/jaraco/zipp/commit/466f53538bd84cefcca39c5a42775fef6a1bf346"><code>466f535</code></a>
Merge pull request <a
href="https://redirect.github.com/jaraco/zipp/issues/109">#109</a> from
jaraco/feature/functools</li>
<li>Additional commits viewable in <a
href="https://github.com/jaraco/zipp/compare/v3.20.0...v3.21.0">compare
view</a></li>
</ul>
</details>
<br />


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experimenter/tests/poetry.lock

@@ -36,7 +36,7 @@ packaging = "^24.2"
 attrs = "^23.2.0"
 py = "^1.11.0"
 idna = "^3.10"
-zipp = "^3.20.0"
+zipp = "^3.21.0"
 pyparsing = "^3.2.0"
 six = "^1.16.0"
 pytest-xdist = "^3.6.1"