Bump platformdirs from 3.11.0 to 4.0.0

Bumps [platformdirs](https://github.com/platformdirs/platformdirs) from 3.11.0 to 4.0.0.
- [Release notes](https://github.com/platformdirs/platformdirs/releases)
- [Changelog](https://github.com/platformdirs/platformdirs/blob/main/CHANGES.rst)
- [Commits](tox-dev/platformdirs@3.11.0...4.0.0)

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

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

ci-constraints-requirements.txt

@@ -84,7 +84,7 @@ pathspec==0.11.2
     #   check-sdist
 pkginfo==1.9.6
     # via twine
-platformdirs==3.11.0
+platformdirs==4.0.0
     # via
     #   virtualenv
 pluggy==1.3.0; python_version >= "3.8"