Bump black from 23.10.0 to 23.10.1

Bumps [black](https://github.com/psf/black) from 23.10.0 to 23.10.1.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@23.10.0...23.10.1)

---
updated-dependencies:
- dependency-name: black
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -1,4 +1,4 @@
 slack-bolt
 pytest
 flake8==6.1.0
-black==23.10.0
+black==23.10.1