chore(deps): bump tox from 4.27.0 to 4.28.4 in /requirements

Bumps [tox](https://github.com/tox-dev/tox) from 4.27.0 to 4.28.4.
- [Release notes](https://github.com/tox-dev/tox/releases)
- [Changelog](https://github.com/tox-dev/tox/blob/main/docs/changelog.rst)
- [Commits](tox-dev/tox@4.27.0...4.28.4)

---
updated-dependencies:
- dependency-name: tox
  dependency-version: 4.28.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements/local.txt

@@ -20,5 +20,5 @@ mypy==1.16.1
 pylint==3.3.7
 bandit==1.8.5
 pydocstringformatter==0.7.3
-tox==4.27.0
+tox==4.28.4
 codespell==2.4.1