Build(deps): Bump rubocop from 1.1.0 to 1.2.0 (#11138)

Bumps [rubocop](https://github.com/rubocop-hq/rubocop) from 1.1.0 to 1.2.0.
- [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/v1.1.0...v1.2.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Gemfile.lock

@@ -340,7 +340,7 @@ GEM
       json-schema (~> 2.2)
       railties (>= 3.1, < 7.0)
     rtlit (0.0.5)
-    rubocop (1.1.0)
+    rubocop (1.2.0)
       parallel (~> 1.10)
       parser (>= 2.7.1.5)
       rainbow (>= 2.2.2, < 4.0)