Bump flake8 from 5.0.4 to 6.1.0

Bumps [flake8](https://github.com/pycqa/flake8) from 5.0.4 to 6.1.0.
- [Commits](PyCQA/flake8@5.0.4...6.1.0)

---
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]

dev-requirements.txt

@@ -1,3 +1,3 @@
 black==23.12.1
-flake8==5.0.4
+flake8==6.1.0
 setuptools; python_version >= '3.12'