Bump flake8 from 4.0.1 to 5.0.2 (#119)

Bumps [flake8](https://github.com/pycqa/flake8) from 4.0.1 to 5.0.2.
- [Release notes](https://github.com/pycqa/flake8/releases)
- [Commits](PyCQA/flake8@4.0.1...5.0.2)

---
updated-dependencies:
- dependency-name: flake8
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

setup.cfg

@@ -48,7 +48,7 @@ develop =
     coverage==6.4.2
     pre-commit==2.20.0
     gitlint-core==0.17.0
-    flake8==4.0.1
+    flake8==5.0.2
     black==22.6.0
     isort==5.10.1