Deps: Bump the dependencies group with 4 updates

Bumps the dependencies group with 4 updates: [coverage](https://github.com/nedbat/coveragepy), [black](https://github.com/psf/black), [mypy](https://github.com/python/mypy) and [platformdirs](https://github.com/platformdirs/platformdirs).


Updates `coverage` from 7.4.4 to 7.5.0
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.4.4...7.5.0)

Updates `black` from 24.4.0 to 24.4.2
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@24.4.0...24.4.2)

Updates `mypy` from 1.9.0 to 1.10.0
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@1.9.0...v1.10.0)

Updates `platformdirs` from 4.2.0 to 4.2.1
- [Release notes](https://github.com/platformdirs/platformdirs/releases)
- [Changelog](https://github.com/platformdirs/platformdirs/blob/main/CHANGES.rst)
- [Commits](tox-dev/platformdirs@4.2.0...4.2.1)

---
updated-dependencies:
- dependency-name: coverage
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dependencies
- dependency-name: black
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: mypy
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: dependencies
- dependency-name: platformdirs
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>