Bump flake8 from 4.0.1 to 5.0.4 (#330)

Bumps [flake8](https://github.com/pycqa/flake8) from 4.0.1 to 5.0.4.
- [Release notes](https://github.com/pycqa/flake8/releases)
- [Commits](PyCQA/flake8@4.0.1...5.0.4)

---
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>

Author: dependabot[bot]

poetry.lock

@@ -43,7 +43,7 @@ ipdb = "^0.13.9"
 pylint = "^2.13.9"
 black = "^22.3"
 isort = "^5.9.3"
-flake8 = "^4.0.1"
+flake8 = "^5.0.4"
 bandit = "^1.7.4"
 coverage = "^6.4"
 pytest-cov = "^3.0.0"