Bump platformdirs from 4.3.3 to 4.3.6 in the dependencies group

Bumps the dependencies group with 1 update: [platformdirs](https://github.com/tox-dev/platformdirs).


Updates `platformdirs` from 4.3.3 to 4.3.6
- [Release notes](https://github.com/tox-dev/platformdirs/releases)
- [Changelog](https://github.com/tox-dev/platformdirs/blob/main/CHANGES.rst)
- [Commits](tox-dev/platformdirs@4.3.3...4.3.6)

---
updated-dependencies:
- dependency-name: platformdirs
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

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