Update rubocop-minitest requirement from 0.15.2 to 0.17.0 (#111)
Update rubocop-minitest requirement from 0.15.2 to 0.17.0 (#111)

Updates the requirements on [rubocop-minitest](https://github.com/rubocop/rubocop-minitest) to permit the latest version.
- [Release notes](https://github.com/rubocop/rubocop-minitest/releases)
- [Changelog](https://github.com/rubocop/rubocop-minitest/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop/rubocop-minitest/compare/v0.15.2...v0.17.0)

---
updated-dependencies:
- dependency-name: rubocop-minitest
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
mattbrictson/jess,mattbrictson/jess