chore(deps-dev): update tox requirement from 4.27.0 to 4.28.4 (#867)

Updates the requirements on [tox](https://github.com/tox-dev/tox) to
permit the latest version.
<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>4.28.4</h2>
<!-- raw HTML omitted -->
<h2>What's Changed</h2>
<ul>
<li>[pre-commit.ci] pre-commit autoupdate by <a
href="https://github.com/pre-commit-ci"><code>@​pre-commit-ci</code></a>[bot]
in <a
href="https://redirect.github.com/tox-dev/tox/pull/3570">tox-dev/tox#3570</a></li>
<li>Pass ssh-agent variables by default by <a
href="https://github.com/daniilgankov"><code>@​daniilgankov</code></a>
in <a
href="https://redirect.github.com/tox-dev/tox/pull/3572">tox-dev/tox#3572</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a
href="https://github.com/daniilgankov"><code>@​daniilgankov</code></a>
made their first contribution in <a
href="https://redirect.github.com/tox-dev/tox/pull/3572">tox-dev/tox#3572</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/tox-dev/tox/compare/4.28.3...4.28.4">https://github.com/tox-dev/tox/compare/4.28.3...4.28.4</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>v4.28.4 (2025-07-31)</h2>
<p>Features - 4.28.4</p>
<pre><code>- Pass ssh-agent variables ``SSH_AGENT_PID`` and
``SSH_AUTH_SOCK`` in ``pass_env`` by default.
  - by :user:`daniilgankov` (:issue:`3572`)
<h2>v4.28.3 (2025-07-25)</h2>
<p>No significant changes.</p>
<h2>v4.28.2 (2025-07-25)</h2>
<p>Bugfixes - 4.28.2
</code></pre></p>
<ul>
<li>Don't pass in the filter argument to tar.extractall on old Python
versions - by :user:<code>gaborbernat</code>.
(:issue:<code>3568</code>)</li>
</ul>
<h2>v4.28.1 (2025-07-22)</h2>
<p>Bugfixes - 4.28.1</p>
<pre><code>- Use `tarfile.data_filter
&lt;https://docs.python.org/3/library/tarfile.html#tarfile.data_filter&gt;`_
with ``extractall``
  only on supported Python versions:
<ul>
<li><code>&amp;gt;= 3.11.4</code></li>
<li><code>&amp;gt;= 3.10.12</code> and <code>&amp;lt; 3.11</code></li>
<li><code>&amp;gt;= 3.9.17</code> and <code>&amp;lt; 3.10</code></li>
</ul>
<p>by :user:<code>gaborbernat</code>. (:issue:<code>3565</code>)</p>
<h2>v4.28.0 (2025-07-20)</h2>
<p>Features - 4.28.0
</code></pre></p>
<ul>
<li>Added <code>constraints</code> to allow specifying constraints files
for all dependencies. (:issue:<code>3550</code>)</li>
<li>Allow disabling tox plugins via the
<code>TOX_DISABLED_EXTERNAL_PLUGINS</code> environment variable - by
:user:<code>gaborbernat</code>. (:issue:<code>3468</code>)</li>
</ul>
<p>Improved Documentation - 4.28.0</p>
<pre><code>- The ``min_version``/``minversion`` config option is
deprecated in favor of the ``requires`` option. (:issue:`3553`)
<h2>v4.27.0 (2025-06-17)</h2>
<p>&lt;/tr&gt;&lt;/table&gt;
</code></pre></p>
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/tox-dev/tox/commit/611b7516d639638cecb1e2117adeeb6567120438"><code>611b751</code></a>
release 4.28.4</li>
<li><a
href="https://github.com/tox-dev/tox/commit/9f2db71b64bdfc90ce40b33b38df82ac4d1a2abc"><code>9f2db71</code></a>
Pass ssh-agent variables by default (<a
href="https://redirect.github.com/tox-dev/tox/issues/3572">#3572</a>)</li>
<li><a
href="https://github.com/tox-dev/tox/commit/c28c4b1c37b6cb24c66be2667223961cf14feaae"><code>c28c4b1</code></a>
[pre-commit.ci] pre-commit autoupdate (<a
href="https://redirect.github.com/tox-dev/tox/issues/3570">#3570</a>)</li>
<li><a
href="https://github.com/tox-dev/tox/commit/815ca3149733b5cd1dc84d8ad67d6feaf4736067"><code>815ca31</code></a>
release 4.28.3</li>
<li><a
href="https://github.com/tox-dev/tox/commit/8a59b928c2dabfcd35e8842109126f7a7d9f9d7b"><code>8a59b92</code></a>
Fix type on expression (<a
href="https://redirect.github.com/tox-dev/tox/issues/3569">#3569</a>)</li>
<li><a
href="https://github.com/tox-dev/tox/commit/ebfaab66021d9f060ebfc3f1821a53874a905c49"><code>ebfaab6</code></a>
release 4.28.2</li>
<li><a
href="https://github.com/tox-dev/tox/commit/ae930db56a6dbe11ad23ffc86c5d31c9d8ace514"><code>ae930db</code></a>
Don't pass in hte filter argument to tar.extractall on old Python
versions (#...</li>
<li><a
href="https://github.com/tox-dev/tox/commit/c836ab2727992329ffa61330d1aeb524e6d265f0"><code>c836ab2</code></a>
release 4.28.1</li>
<li><a
href="https://github.com/tox-dev/tox/commit/c343b26717d314d59bb22252c5d61d7c4e9e03cb"><code>c343b26</code></a>
Only use tarfile.data_filter when it's available (<a
href="https://redirect.github.com/tox-dev/tox/issues/3566">#3566</a>)</li>
<li><a
href="https://github.com/tox-dev/tox/commit/753dd626564cec7f7b6756d86bc22e2cdfcdcbc3"><code>753dd62</code></a>
[pre-commit.ci] pre-commit autoupdate (<a
href="https://redirect.github.com/tox-dev/tox/issues/3564">#3564</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/tox-dev/tox/compare/4.27.0...4.28.4">compare
view</a></li>
</ul>
</details>
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pyproject.toml

@@ -97,7 +97,7 @@ isort = "6.0.1"
 autopep8 = "2.3.2"
 mypy = "1.17.1"
 tomli = { version = "2.2.1", python = "<3.11" }
-tox = "4.27.0"
+tox = "4.28.4"
 xmldiff = "2.7.0"
 bandit = "1.8.6"
 pyupgrade = "3.20.0"