Merge branch 'flake8-github' into 'master'

flake8 repository has moved from gitlab to github

See merge request !1007

.pre-commit-config.yaml

@@ -7,10 +7,10 @@ repos:
     hooks:
     - id: nbqa-check-ast
   - repo: https://github.com/pycqa/isort
-    rev: 5.7.0
+    rev: 5.13.2
     hooks:
       - id: isort
-  - repo: https://gitlab.com/pycqa/flake8
+  - repo: https://github.com/pycqa/flake8
     rev: 3.9.0
     hooks:
     - id: flake8