Bump black from 23.7.0 to 23.9.1 (#491)

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:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -33,7 +33,7 @@ requirements = [
 ]
 requirements_test = [
     "aioresponses==0.7.4",
-    "black==23.7.0",
+    "black==23.9.1",
     "mypy==1.5.1",
     "pytest==7.4.1",
     "pytest-aiohttp==1.0.4",