Allowlist with_code_coverage scope

ee/app/models/ee/project.rb

@@ -124,6 +124,7 @@ module EE
 
       scope :with_code_coverage, -> do
         joins(:daily_build_group_report_results).merge(::Ci::DailyBuildGroupReportResult.with_coverage.with_default_branch).group(:id)
+          .allow_cross_joins_across_databases(url: 'https://gitlab.com/gitlab-org/gitlab/-/issues/339974')
       end
 
       scope :with_coverage_feature_usage, ->(default_branch: nil) do

spec/support/database/cross-join-allowlist.yml

-- "./ee/spec/finders/ee/namespaces/projects_finder_spec.rb"
-- "./ee/spec/graphql/ee/resolvers/namespace_projects_resolver_spec.rb"
-- "./ee/spec/models/project_spec.rb"
 - "./ee/spec/requests/api/ci/minutes_spec.rb"
 - "./ee/spec/services/ci/minutes/additional_packs/change_namespace_service_spec.rb"
 - "./ee/spec/services/ci/minutes/additional_packs/create_service_spec.rb"