[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black: 23.1.0 → 23.9.1](psf/black@23.1.0...23.9.1)
- [github.com/PyCQA/flake8: 6.0.0 → 6.1.0](PyCQA/flake8@6.0.0...6.1.0)

.pre-commit-config.yaml

@@ -11,14 +11,14 @@ repos:
           - id: mixed-line-ending
 
     - repo: https://github.com/psf/black
-      rev: 23.1.0
+      rev: 23.9.1
       types: [ python ]
       hooks:
         - id: black
           args: [ --safe ]
 
     - repo: https://github.com/PyCQA/flake8
-      rev: 6.0.0
+      rev: 6.1.0
       hooks:
           - id: flake8
             args: [--config, setup.cfg]