Bump rubocop from 0.60.0 to 0.61.0 (#9439)

Bumps [rubocop](https://github.com/rubocop-hq/rubocop) from 0.60.0 to 0.61.0.
- [Release notes](https://github.com/rubocop-hq/rubocop/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop-hq/rubocop/compare/v0.60.0...v0.61.0

)

Signed-off-by: dependabot[bot] <support@dependabot.com>