[.pre-commit-config.yaml]: Update flake8

Update https://github.com/PyCQA/flake8 from `6.1.0` to `7.0.0`.

Author: andthum

.pre-commit-config.yaml

@@ -174,7 +174,7 @@ repos:
           - "--color"
 
   - repo: "https://github.com/PyCQA/flake8"
-    rev: "6.1.0"
+    rev: "7.0.0"
     hooks:
       # Lint Python code with Flake8.
       - id: "flake8"