[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/pycqa/flake8: 5.0.4 → 6.0.0](PyCQA/flake8@5.0.4...6.0.0)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -18,7 +18,7 @@ repos:
     hooks:
       - id: mypy
   - repo: https://github.com/pycqa/flake8
-    rev: 5.0.4
+    rev: 6.0.0
     hooks:
       - id: flake8
   - repo: https://github.com/jazzband/pip-tools