Deps: Bump the python-packages group with 2 updates

Bumps the python-packages group with 2 updates: [black](https://github.com/psf/black) and [httpcore](https://github.com/encode/httpcore).


Updates `black` from 24.1.1 to 24.2.0
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@24.1.1...24.2.0)

Updates `httpcore` from 1.0.2 to 1.0.3
- [Release notes](https://github.com/encode/httpcore/releases)
- [Changelog](https://github.com/encode/httpcore/blob/master/CHANGELOG.md)
- [Commits](encode/httpcore@1.0.2...1.0.3)

---
updated-dependencies:
- dependency-name: black
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: python-packages
- dependency-name: httpcore
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: python-packages
...

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