⬆️ Bump tox from 3.27.1 to 4.0.8 in /.github/workflows

Bumps [tox](https://github.com/tox-dev/tox) from 3.27.1 to 4.0.8.
- [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@3.27.1...4.0.8)

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

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

.github/workflows/constraints.txt

@@ -1,4 +1,4 @@
 pip==22.3.1
 poetry==1.2.2
-tox==3.27.1
+tox==4.0.8
 tox-gh-actions==2.11.0