build(deps): bump importlib-metadata from 8.5.0 to 8.7.0 in /tools/publish (#3237)

Bumps [importlib-metadata](https://github.com/python/importlib_metadata)
from 8.5.0 to 8.7.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/python/importlib_metadata/blob/main/NEWS.rst">importlib-metadata's
changelog</a>.</em></p>
<blockquote>
<h1>v8.7.0</h1>
<h2>Features</h2>
<ul>
<li><code>.metadata()</code> (and <code>Distribution.metadata</code>)
can now return <code>None</code> if the metadata directory exists but
not metadata file is present. (<a
href="https://redirect.github.com/python/importlib_metadata/issues/493">#493</a>)</li>
</ul>
<h2>Bugfixes</h2>
<ul>
<li>Raise consistent ValueError for invalid EntryPoint.value (<a
href="https://redirect.github.com/python/importlib_metadata/issues/518">#518</a>)</li>
</ul>
<h1>v8.6.1</h1>
<h2>Bugfixes</h2>
<ul>
<li>Fixed indentation logic to also honor blank lines.</li>
</ul>
<h1>v8.6.0</h1>
<h2>Features</h2>
<ul>
<li><code>python/cpython#119650</code></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/python/importlib_metadata/commit/708dff4f1ab89bdd126e3e8c56098d04282c5809"><code>708dff4</code></a>
Finalize</li>
<li><a
href="https://github.com/python/importlib_metadata/commit/b3065f03cc3395f46ed575e612e213f92a064879"><code>b3065f0</code></a>
Merge pull request <a
href="https://redirect.github.com/python/importlib_metadata/issues/519">#519</a>
from python/bugfix/493-metadata-missing</li>
<li><a
href="https://github.com/python/importlib_metadata/commit/e4351c226765f53a40316fa6aab50488aee8a90f"><code>e4351c2</code></a>
Add a new test capturing the new expectation.</li>
<li><a
href="https://github.com/python/importlib_metadata/commit/5a657051f7386de6f0560c200d78e941be2c8058"><code>5a65705</code></a>
Refactor the casting into a wrapper for brevity and to document its
purpose.</li>
<li><a
href="https://github.com/python/importlib_metadata/commit/0830c39b8a23e48024365120c0e97a6f7c36c5ec"><code>0830c39</code></a>
Add news fragment.</li>
<li><a
href="https://github.com/python/importlib_metadata/commit/22bb567692d8e7bd216f864a9d8dee1272ee8674"><code>22bb567</code></a>
Fix type errors where metadata could be None.</li>
<li><a
href="https://github.com/python/importlib_metadata/commit/57f31d77e18fef11dfadfd44775f253971c36920"><code>57f31d7</code></a>
Allow metadata to return None when there is no metadata present.</li>
<li><a
href="https://github.com/python/importlib_metadata/commit/b9c4be4253250ad604610db66204e5fa70fa2455"><code>b9c4be4</code></a>
Merge pull request <a
href="https://redirect.github.com/python/importlib_metadata/issues/518">#518</a>
from python/bugfix/488-bad-ep-value</li>
<li><a
href="https://github.com/python/importlib_metadata/commit/9f8af013635833cf3ac348413c9ac63b37caa3dd"><code>9f8af01</code></a>
Prefer a cached property, as the property is likely to be retrieved at
least ...</li>
<li><a
href="https://github.com/python/importlib_metadata/commit/f179e28888b2c6caf12baaf5449ff1cd82513dfe"><code>f179e28</code></a>
Also raise ValueError on construction if the value is invalid.</li>
<li>Additional commits viewable in <a
href="https://github.com/python/importlib_metadata/compare/v8.5.0...v8.7.0">compare
view</a></li>
</ul>
</details>
<br />


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