Bump tox from 4.11.1 to 4.11.3

Bumps [tox](https://github.com/tox-dev/tox) from 4.11.1 to 4.11.3.
- [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@4.11.1...4.11.3)

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

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

requirements_testing.txt

@@ -8,5 +8,5 @@ pytest-cov==4.1.0
 pytest-icdiff==0.7
 ruff==0.0.287
 setuptools==68.1.2
-tox==4.11.1
+tox==4.11.3
 mypy==1.5.1