build(deps-dev): Bump isort from 5.9.0 to 5.9.1

Bumps [isort](https://github.com/pycqa/isort) from 5.9.0 to 5.9.1.
- [Release notes](https://github.com/pycqa/isort/releases)
- [Changelog](https://github.com/PyCQA/isort/blob/main/CHANGELOG.md)
- [Commits](PyCQA/isort@5.9.0...5.9.1)

---
updated-dependencies:
- dependency-name: isort
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]