Bump tox from 4.4.12 to 4.5.1

Bumps [tox](https://github.com/tox-dev/tox) from 4.4.12 to 4.5.1.
- [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@4.4.12...4.5.1)

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

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

requirements/requirements-test.lock.txt

@@ -260,7 +260,7 @@ tomlkit==0.11.7
     # via pylint
 tornado==6.2
     # via livereload
-tox==4.4.12
+tox==4.5.1
     # via -r requirements/requirements-test.in
 twine==4.0.2
     # via -r requirements/requirements-test.in