[pre-commit.ci] pre-commit autoupdate (#143)

updates:
- [github.com/psf/black: 21.11b1 → 21.12b0](psf/black@21.11b1...21.12b0)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -11,6 +11,6 @@ repos:
     exclude: docs
 
 - repo: https://github.com/psf/black
-  rev: "21.11b1"
+  rev: "21.12b0"
   hooks:
   - id: black