Bump rubocop from 1.87.0 to 1.88.0 in the rubocop group

Bump rubocop from 1.87.0 to 1.88.0 in the rubocop group

Bumps the rubocop group with 1 update: [rubocop](https://github.com/rubocop/rubocop).

Updates `rubocop` from 1.87.0 to 1.88.0
- [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/v1.87.0...v1.88.0)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-version: 1.88.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: rubocop
...

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