Bump tox from 4.18.0 to 4.18.1 (#410)

Bumps [tox](https://github.com/tox-dev/tox) from 4.18.0 to 4.18.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/tox-dev/tox/releases">tox's
releases</a>.</em></p>
<blockquote>
<h2>4.18.1</h2>
<!-- raw HTML omitted -->
<h2>What's Changed</h2>
<ul>
<li>Fixup the spec string for sys.executable by <a
href="https://github.com/hroncok"><code>@​hroncok</code></a> in <a
href="https://github.com/tox-dev/tox/pull/3327">tox-dev/tox#3327</a></li>
<li>Fix issue link in changelog by <a
href="https://github.com/schlamar"><code>@​schlamar</code></a> in <a
href="https://github.com/tox-dev/tox/pull/3332">tox-dev/tox#3332</a></li>
<li>Properly document the <code>tox_env_teardown</code> hook by <a
href="https://github.com/kemzeb"><code>@​kemzeb</code></a> in <a
href="https://github.com/tox-dev/tox/pull/3333">tox-dev/tox#3333</a></li>
<li>Add 3.13 to CI and bump deps by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://github.com/tox-dev/tox/pull/3339">tox-dev/tox#3339</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/schlamar"><code>@​schlamar</code></a>
made their first contribution in <a
href="https://github.com/tox-dev/tox/pull/3332">tox-dev/tox#3332</a></li>
<li><a href="https://github.com/kemzeb"><code>@​kemzeb</code></a> made
their first contribution in <a
href="https://github.com/tox-dev/tox/pull/3333">tox-dev/tox#3333</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/tox-dev/tox/compare/4.18.0...4.18.1">https://github.com/tox-dev/tox/compare/4.18.0...4.18.1</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/tox-dev/tox/blob/main/docs/changelog.rst">tox's
changelog</a>.</em></p>
<blockquote>
<h2>v4.18.1 (2024-09-07)</h2>
<p>Bugfixes - 4.18.1</p>
<pre><code>- Fix and test the string spec for the ``sys.executable``
interpreter (introduced in :pull:`3325`)
  - by :user:`hroncok` (:issue:`3327`)
<p>Improved Documentation - 4.18.1
</code></pre></p>
<ul>
<li>Changes the <code>tox_env_teardown</code> docstring to explain the
hook is called after a tox env was teared down.
(:issue:<code>3305</code>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/tox-dev/tox/commit/df34192e07d47c257c85b0e0af2d065f7bb6c7ba"><code>df34192</code></a>
release 4.18.1</li>
<li><a
href="https://github.com/tox-dev/tox/commit/9c6f8350a1ffc7dd395c039afb9e3fd795b65307"><code>9c6f835</code></a>
Add 3.13 to CI and bump deps (<a
href="https://github.com/tox-dev/tox/issues/3339">#3339</a>)</li>
<li><a
href="https://github.com/tox-dev/tox/commit/9138e1541ce4af63fbb59cf4efcc5b1264fd0fc0"><code>9138e15</code></a>
Bump pypa/gh-action-pypi-publish from 1.9.0 to 1.10.1 (<a
href="https://github.com/tox-dev/tox/issues/3338">#3338</a>)</li>
<li><a
href="https://github.com/tox-dev/tox/commit/3f004fcf0ffa8cf1eb60ac98a373b54f53b8972a"><code>3f004fc</code></a>
[pre-commit.ci] pre-commit autoupdate (<a
href="https://github.com/tox-dev/tox/issues/3329">#3329</a>)</li>
<li><a
href="https://github.com/tox-dev/tox/commit/fab358ebd4204183044c94d14a7f94eb724d89d5"><code>fab358e</code></a>
Properly document the <code>tox_env_teardown</code> hook (<a
href="https://github.com/tox-dev/tox/issues/3333">#3333</a>)</li>
<li><a
href="https://github.com/tox-dev/tox/commit/8d0a47cb860f938c0599e80c58dfb1bc4ef484ed"><code>8d0a47c</code></a>
Fix issue link in changelog (<a
href="https://github.com/tox-dev/tox/issues/3332">#3332</a>)</li>
<li><a
href="https://github.com/tox-dev/tox/commit/874e9af6c5b249b42a4e477d2fd74f798aa1516d"><code>874e9af</code></a>
Fixup the spec string for sys.executable (<a
href="https://github.com/tox-dev/tox/issues/3327">#3327</a>)</li>
<li><a
href="https://github.com/tox-dev/tox/commit/dde496464b25484720ea4327429ae17cafcf1131"><code>dde4964</code></a>
Fix docs</li>
<li>See full diff in <a
href="https://github.com/tox-dev/tox/compare/4.18.0...4.18.1">compare
view</a></li>
</ul>
</details>
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