build(deps): bump tox from 4.5.2 to 4.6.0 in /requirements

Bumps [tox](https://github.com/tox-dev/tox) from 4.5.2 to 4.6.0.
- [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@4.5.2...4.6.0)

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

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

requirements/integration.txt

@@ -54,7 +54,7 @@ pyyaml==5.4.1
     # via pre-commit
 toposort==1.10
     # via pip-compile-multi
-tox==4.5.2
+tox==4.6.0
     # via -r integration.in
 virtualenv==20.23.0
     # via