Bump black from 21.11b0 to 21.11b1 (#250)

Bumps [black](https://github.com/psf/black) from 21.11b0 to 21.11b1.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](https://github.com/psf/black/commits)

---
updated-dependencies:
- dependency-name: black
  dependency-type: direct:development
...

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

pyproject.toml

@@ -25,7 +25,7 @@ tox = "^3.24"
 pytest = "^6.2"
 pytest-cov = "^3.0.0"
 pre-commit = "^2.15"
-black = {version = "^21.11b0", allow-prereleases = true}
+black = {version = "^21.11b1", allow-prereleases = true}
 pylint = "^2.9.6"
 isort = "^5.10.1"
 mypy = "^0.910"