Merge branch...

Merge branch '321935-reduce-n-1-queries-from-projects-mergerequestscontroller-index-action-related-to-protected' into 'master'

Reduce N+1 queries from Projects::MergeRequestsController#index action related to protected branches and code owners

See merge request gitlab-org/gitlab!56775

ee/app/models/concerns/ee/protected_branch.rb

@@ -16,6 +16,7 @@ module EE
       def branch_requires_code_owner_approval?(project, branch_name)
         return false unless project.code_owner_approval_required_available?
 
+        ::Gitlab::SafeRequestStore["project-#{project.id}-branch-#{branch_name}".to_sym] ||=
           project.protected_branches.requiring_code_owner_approval.matching(branch_name).any?
       end
     end