Bump rubocop from 1.18.2 to 1.18.3
Bump rubocop from 1.18.2 to 1.18.3

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.18.2 to 1.18.3.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop/rubocop/compare/v1.18.2...v1.18.3)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
activeadmin/arbre,activeadmin/arbre