Bump black from 21.8b0 to 24.3.0 in /requirements

Bumps [black](https://github.com/psf/black) from 21.8b0 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] <[email protected]>

requirements/requirements-dev.txt

@@ -7,7 +7,7 @@ docutils==0.17.1
 # git+https://github.com/readthedocs/sphinx_rtd_theme
 mock==3.0.5
 catalyst-codestyle==21.09.2
-black==21.8b0
+black==24.3.0
 click<=8.0.4
 catalyst-sphinx-theme==1.2.0
 tomlkit==0.7.2