Bump tox from 4.0.17 to 4.2.8 in /test

Bumps [tox](https://github.com/tox-dev/tox) from 4.0.17 to 4.2.8.
- [Release notes](https://github.com/tox-dev/tox/releases)
- [Changelog](https://github.com/tox-dev/tox/blob/main/docs/changelog.rst)
- [Commits](https://github.com/tox-dev/tox/compare/4.0.17...4.2.8)

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

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

test/requirements.txt

@@ -2,5 +2,5 @@ docker-compose == 1.29.2
 pytest == 7.2.0
 pytest-xdist == 3.1.0
 pytest-testinfra == 7.0.0
-tox == 4.0.17
+tox == 4.2.8