Bump flake8 from 6.0.0 to 7.0.0

Bumps [flake8](https://github.com/pycqa/flake8) from 6.0.0 to 7.0.0.
- [Commits](PyCQA/flake8@6.0.0...7.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements_dev.txt

@@ -5,7 +5,7 @@ flake8-bandit==4.1.1
 flake8-bugbear==24.2.6
 flake8-docstrings==1.7.0
 flake8-rst-docstrings==0.3.0
-flake8==6.0.0
+flake8==7.0.0
 mypy==1.10.0
 pep8-naming==0.13.3
 pre-commit-hooks==4.4.0