Bump platformdirs from 4.1.0 to 4.2.0

Bumps [platformdirs](https://github.com/platformdirs/platformdirs) from 4.1.0 to 4.2.0.
- [Release notes](https://github.com/platformdirs/platformdirs/releases)
- [Changelog](https://github.com/platformdirs/platformdirs/blob/main/CHANGES.rst)
- [Commits](tox-dev/platformdirs@4.1.0...4.2.0)

---
updated-dependencies:
- dependency-name: platformdirs
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -5,7 +5,7 @@ filelock==3.13.1
 mypy-extensions==1.0.0
 packaging==23.2
 pathspec==0.12.1
-platformdirs==4.1.0
+platformdirs==4.2.0
 pluggy==1.4.0
 pylint==3.0.3
 pyparsing==3.1.1