[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black: 20.8b1 → 23.10.0](psf/black@20.8b1...23.10.0)
- [github.com/asottile/pyupgrade: v2.7.4 → v3.15.0](asottile/pyupgrade@v2.7.4...v3.15.0)
- [github.com/PyCQA/flake8: 3.8.4 → 6.1.0](PyCQA/flake8@3.8.4...6.1.0)

.pre-commit-config.yaml

@@ -1,14 +1,14 @@
 repos:
   - repo: https://github.com/psf/black
-    rev: 20.8b1
+    rev: 23.10.0
     hooks:
       - id: black
   - repo: https://github.com/asottile/pyupgrade
-    rev: v2.7.4
+    rev: v3.15.0
     hooks:
     - id: pyupgrade
       args: [--py36-plus]
   - repo: https://github.com/PyCQA/flake8
-    rev: "3.8.4"
+    rev: "6.1.0"
     hooks:
       - id: flake8