Bump flake8 from 6.1.0 to 7.1.0

Bumps [flake8](https://github.com/pycqa/flake8) from 6.1.0 to 7.1.0.
- [Commits](PyCQA/flake8@6.1.0...7.1.0)

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

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Author: dependabot[bot]