chore(deps): update dependency flake8 to v7 (#27)

* chore(deps): update dependency flake8 to v7

* update Flake8 to 5.0.4, the last version to work with 3.8 still

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Niklas Rosenstein <[email protected]>

Author: renovate[bot]

pyproject.toml

@@ -30,7 +30,7 @@ mypy = "*"
 pytest = "*"
 types-dataclasses = "^0.6.5"
 isort = "^5.10.1"
-flake8 = "^4.0.1"
+flake8 = "^5.0.4"
 black = "^24.0.0"
 astor = "^0.8.1"