Bump black from 23.7.0 to 23.9.1 (#393)

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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -44,7 +44,7 @@ docs = [
 ]
 dev = [
     "attribution == 1.6.2",
-    "black == 23.7.0",
+    "black == 23.9.1",
     "flake8 == 6.1.0",
     "flake8-bugbear == 23.7.10",
     "mypy == 1.5.1",