Merge pull request #539 from mjs/dependabot/pip/black-23.9.1

chore(deps-dev): bump black from 23.7.0 to 23.9.1

Author: mjs

requirements-dev.txt

@@ -1,5 +1,5 @@
 sphinx
-black==23.7.0
+black==23.9.1
 flake8==6.1.0
 isort==5.12.0
 mypy==1.5.1