Bump platformdirs from 4.9.4 to 4.9.6

Bumps [platformdirs](https://github.com/tox-dev/platformdirs) from 4.9.4 to 4.9.6.
- [Release notes](https://github.com/tox-dev/platformdirs/releases)
- [Changelog](https://github.com/tox-dev/platformdirs/blob/main/docs/changelog.rst)
- [Commits](tox-dev/platformdirs@4.9.4...4.9.6)

---
updated-dependencies:
- dependency-name: platformdirs
  dependency-version: 4.9.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -278,7 +278,7 @@ pillow==12.2.0
     #   qcodes (pyproject.toml)
     #   matplotlib
     #   qcodes
-platformdirs==4.9.4
+platformdirs==4.9.6
     # via jupyter-core
 pluggy==1.6.0
     # via