Bump import-linter from 1.12.1 to 2.0

Bumps [import-linter](https://github.com/seddonym/import-linter) from 1.12.1 to 2.0.
- [Changelog](https://github.com/seddonym/import-linter/blob/master/CHANGELOG.rst)
- [Commits](seddonym/import-linter@v1.12.1...v2.0)

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

Signed-off-by: dependabot[bot] <[email protected]>