Bump flake8 from 7.0.0 to 7.1.0 in /requirements (#2388)

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:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/test-requirements.txt

@@ -1,4 +1,4 @@
-flake8==7.0.0
+flake8==7.1.0
 black==23.7.0
 isort==5.12.0
 pre-commit==3.7.0