Bump ruff from 0.1.11 to 0.2.0 (#191)

* Bump ruff from 0.1.11 to 0.2.0

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.1.11 to 0.2.0.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@v0.1.11...v0.2.0)

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

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* -

* fix lint errors

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Andreas Kanz <andreas@akanz.de>