Bump black from 23.7.0 to 23.9.1

Bumps [black](https://github.com/psf/black) from 23.7.0 to 23.9.1.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@23.7.0...23.9.1)

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

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

Author: dependabot[bot]

setup.py

@@ -62,7 +62,7 @@
             "flake8==6.1.0",
             "flake8-docstrings==1.7.0",
             "aioresponses==0.7.4",
-            "black==23.7.0",
+            "black==23.9.1",
         ],
         "docs": ["sphinx >= 1.4", "sphinx_rtd_theme==1.3.0"],
     },