chore(deps-dev): bump flake8 from 7.0.0 to 7.1.0 in /client

Bumps [flake8](https://github.com/pycqa/flake8) from 7.0.0 to 7.1.0.
- [Commits](PyCQA/flake8@7.0.0...7.1.0)

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

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