Fix Rubocop offenses in code related to the registry

app/controllers/projects/registry/repositories_controller.rb

@@ -31,7 +31,7 @@ module Projects
       #
       def ensure_root_container_repository!
         ContainerRegistry::Path.new(@project.full_path).tap do |path|
-          return if path.has_repository?
+          break if path.has_repository?
 
           ContainerRepository.build_from_path(path).tap do |repository|
             repository.save if repository.has_tags?

spec/features/security/project/public_access_spec.rb

@@ -446,7 +446,7 @@ describe "Public Project Access", feature: true  do
     let(:container_repository) { create(:container_repository) }
 
     before do
-      stub_container_registry_tags(repository: :any, tags:['latest'])
+      stub_container_registry_tags(repository: :any, tags: ['latest'])
       stub_container_registry_config(enabled: true)
       project.container_repositories << container_repository
     end