Bump flake8 from 5.0.4 to 6.0.0

Bumps [flake8](https://github.com/pycqa/flake8) from 5.0.4 to 6.0.0.
- [Release notes](https://github.com/pycqa/flake8/releases)
- [Commits](PyCQA/flake8@5.0.4...6.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

poetry.lock

@@ -14,7 +14,7 @@ python = "^3.9"
 yamllint = "^v1.28.0"
 codespell = "^2.2.2"
 black = "^22.12"
-flake8 = "^5.0.4"
+flake8 = "^6.0.0"
 pep8-naming = "^0.13.2"
 pytest = "^7.2.0"
 GitPython = "^3.1.29"