pip(deps-dev): bump pyflakes from 3.3.2 to 3.4.0

Bumps [pyflakes](https://github.com/PyCQA/pyflakes) from 3.3.2 to 3.4.0.
- [Changelog](https://github.com/PyCQA/pyflakes/blob/main/NEWS.rst)
- [Commits](PyCQA/pyflakes@3.3.2...3.4.0)

---
updated-dependencies:
- dependency-name: pyflakes
  dependency-version: 3.4.0
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]