[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black: 21.9b0 → 21.10b0](https://github.com/psf/black/compare/21.9b0...21.10b0)
- [github.com/pycqa/isort: 5.9.3 → 5.10.0](https://github.com/pycqa/isort/compare/5.9.3...5.10.0)

.pre-commit-config.yaml

@@ -2,11 +2,11 @@
 # See https://pre-commit.com/hooks.html for more hooks
 repos:
 -   repo: https://github.com/psf/black
-    rev: 21.9b0
+    rev: 21.10b0
     hooks:
     - id: black
 -   repo: https://github.com/pycqa/isort
-    rev: 5.9.3
+    rev: 5.10.0
     hooks:
       - id: isort
         name: isort (python)