Bump platformdirs from 4.3.6 to 4.3.8

Bumps [platformdirs](https://github.com/tox-dev/platformdirs) from 4.3.6 to 4.3.8.
- [Release notes](https://github.com/tox-dev/platformdirs/releases)
- [Changelog](https://github.com/tox-dev/platformdirs/blob/main/CHANGES.rst)
- [Commits](tox-dev/platformdirs@4.3.6...4.3.8)

---
updated-dependencies:
- dependency-name: platformdirs
  dependency-version: 4.3.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -24,7 +24,7 @@ license-expression==30.4.1
 MarkupSafe==3.0.2
 nodeenv==1.9.1
 packaging==24.2
-platformdirs==4.3.6
+platformdirs==4.3.8
 pre-commit==4.2.0
 pydata-sphinx-theme==0.16.1
 pyenchant==3.2.2