Deps: Bump the python-packages group with 4 updates

Bumps the python-packages group with 4 updates: [coverage](https://github.com/coveragepy/coveragepy), [librt](https://github.com/mypyc/librt), [platformdirs](https://github.com/tox-dev/platformdirs) and [ruff](https://github.com/astral-sh/ruff).


Updates `coverage` from 7.13.3 to 7.13.4
- [Release notes](https://github.com/coveragepy/coveragepy/releases)
- [Changelog](https://github.com/coveragepy/coveragepy/blob/main/CHANGES.rst)
- [Commits](coveragepy/coveragepy@7.13.3...7.13.4)

Updates `librt` from 0.7.8 to 0.8.0
- [Commits](mypyc/librt@v0.7.8...v0.8.0)

Updates `platformdirs` from 4.5.1 to 4.9.2
- [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@4.5.1...4.9.2)

Updates `ruff` from 0.15.0 to 0.15.1
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.15.0...0.15.1)

---
updated-dependencies:
- dependency-name: coverage
  dependency-version: 7.13.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: python-packages
- dependency-name: librt
  dependency-version: 0.8.0
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: python-packages
- dependency-name: platformdirs
  dependency-version: 4.9.2
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: python-packages
- dependency-name: ruff
  dependency-version: 0.15.1
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: python-packages
...

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

Author: dependabot[bot]