Bump black from 22.6.0 to 22.8.0

Bumps [black](https://github.com/psf/black) from 22.6.0 to 22.8.0.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@22.6.0...22.8.0)

---
updated-dependencies:
- dependency-name: black
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -8,6 +8,6 @@ asteroid-sphinx-theme==0.0.3
 sphinx_rtd_theme==1.0.0
 pytest==7.1.2
 lxml==4.9.1
-black==22.6.0
+black==22.8.0
 mypy==0.961
 .