Deps: Bump the dependencies group

Bumps the dependencies group in /helm-version-upgrade with 2 updates: [platformdirs](https://github.com/platformdirs/platformdirs) and [pontos](https://github.com/greenbone/pontos).


Updates `platformdirs` from 4.0.0 to 4.1.0
- [Release notes](https://github.com/platformdirs/platformdirs/releases)
- [Changelog](https://github.com/platformdirs/platformdirs/blob/main/CHANGES.rst)
- [Commits](platformdirs/platformdirs@4.0.0...4.1.0)

Updates `pontos` from 23.11.4 to 23.12.0
- [Release notes](https://github.com/greenbone/pontos/releases)
- [Commits](greenbone/pontos@v23.11.4...v23.12.0)

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

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