Merge pull request #428 from rremizov/dependabot/pip/black-25.9.0

Bump black from 25.1.0 to 25.9.0

Author: rremizov

requirements-test.txt

@@ -1,4 +1,4 @@
-black==25.1.0
+black==25.9.0
 flake8==7.3.0
 isort==6.0.1
 mypy==1.18.1