chore: pre-commit autoupdate (#1756)

updates:
- [github.com/psf/black: 21.9b0 → 21.10b0](psf/black@21.9b0...21.10b0)

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

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -76,7 +76,7 @@ repos:
     # https://github.com/pre-commit/mirrors-isort/issues/9#issuecomment-624404082
     - --filter-files
 - repo: https://github.com/psf/black
-  rev: 21.9b0
+  rev: 21.10b0
   hooks:
   - id: black
     language_version: python3