chore(deps-dev): bump black in /{{cookiecutter.project_slug}}

Bumps [black](/~https://github.com/psf/black) from 19.10b0 to 24.3.0.
- [Release notes](/~https://github.com/psf/black/releases)
- [Changelog](/~https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](/~https://github.com/psf/black/commits/24.3.0)

---
updated-dependencies:
- dependency-name: black
  dependency-type: direct:development
...

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