pip(deps): update black requirement from ~=21.4b0 to ~=22.1

Updates the requirements on [black](https://github.com/psf/black) to permit the latest version.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@21.4b0...22.1.0)

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

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

requirements/DEV_REQUIREMENTS.txt

@@ -1,4 +1,4 @@
-black~=21.4b0
+black~=22.1
 coveralls~=3.3
 coverage~=6.1
 isort~=5.10