Allowlist security finding relation for cross-db query

ee/app/models/security/finding.rb

@@ -34,7 +34,7 @@ module Security
                 .where('security_scans.id = security_findings.scan_id')
                 .where('vulnerability_feedback.project_fingerprint = security_findings.project_fingerprint'))
     end
-    scope :latest, -> { joins(:scan).merge(Security::Scan.latest_successful_by_build) }
+    scope :latest, -> { joins(:scan).merge(Security::Scan.latest_successful_by_build).allow_cross_joins_across_databases(url: 'https://gitlab.com/gitlab-org/gitlab/-/issues/341796') }
     scope :ordered, -> { order(severity: :desc, confidence: :desc, id: :asc) }
     scope :with_pipeline_entities, -> { includes(build: [:job_artifacts, :pipeline]) }
     scope :with_scan, -> { includes(:scan) }

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

@@ -7,7 +7,6 @@
 - "./ee/spec/features/merge_trains/user_adds_to_merge_train_when_pipeline_succeeds_spec.rb"
 - "./ee/spec/features/projects/pipelines/pipeline_spec.rb"
 - "./ee/spec/finders/ee/namespaces/projects_finder_spec.rb"
-- "./ee/spec/finders/security/findings_finder_spec.rb"
 - "./ee/spec/graphql/ee/resolvers/namespace_projects_resolver_spec.rb"
 - "./ee/spec/lib/ee/gitlab/background_migration/migrate_approver_to_approval_rules_spec.rb"
 - "./ee/spec/lib/ee/gitlab/background_migration/migrate_security_scans_spec.rb"