Build(deps): Bump rubocop from 1.18.2 to 1.18.3 (#13653)

* Build(deps): 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)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

* Fix offences

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jarek Radosz <jradosz@gmail.com>

spec/models/global_setting_spec.rb

@@ -54,7 +54,7 @@ describe GlobalSetting do
 
   describe '.add_default' do
     after do
-      class <<GlobalSetting; remove_method :foo_bar_foo; end
+      class << GlobalSetting; remove_method :foo_bar_foo; end
     end
 
     it "can correctly add defaults" do