Merge pull request #546 from nationalarchives/renovate/pycqa-flake8-7.x

Update pre-commit hook PyCQA/flake8 to v7

.pre-commit-config.yaml

@@ -21,7 +21,7 @@ repos:
         args: ["--profile", "black"]
 
   - repo: https://github.com/PyCQA/flake8
-    rev: 6.1.0
+    rev: 7.0.0
     hooks:
       - id: flake8
         args: ["--config=setup.cfg"]