Merge branch 'issue_345382-background_migration_cleanup' into 'master'

Cleanup background migration of requirements to work items

See merge request gitlab-org/gitlab!75044

db/post_migrate/20211122193948_cleanup_background_migration_of_requirements_to_work_items.rb

+# frozen_string_literal: true
+
+class CleanupBackgroundMigrationOfRequirementsToWorkItems < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  MIGRATION = 'MigrateRequirementsToWorkItems'
+
+  disable_ddl_transaction!
+
+  def up
+    finalize_background_migration(MIGRATION)
+  end
+
+  def down
+    # no-op
+  end
+end

db/schema_migrations/20211122193948

+12203afb7b66a12946d971dd601d2ce91e1408fcdf36d9d8b2fadcf09d7c1e56
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