build(deps): bump platformdirs from 4.2.0 to 4.2.1

Bumps [platformdirs](https://github.com/platformdirs/platformdirs) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/platformdirs/platformdirs/releases)
- [Changelog](https://github.com/platformdirs/platformdirs/blob/main/CHANGES.rst)
- [Commits](tox-dev/platformdirs@4.2.0...4.2.1)

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

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

Author: dependabot[bot]

requirements.txt

@@ -36,7 +36,7 @@ packaging==24.0
 pathspec==0.12.1
 pigar==2.1.4
 pipreqs==0.5.0
-platformdirs==4.2.0
+platformdirs==4.2.1
 pycparser==2.22
 PyGithub==2.3.0
 PyJWT==2.8.0