Extend `in_factory_bot_create?` to discover validations

Some failures are happening due to validations performed
in tests. Ensure that they are allow listed with another
method how objects can be created.

lib/gitlab/database/query_analyzers/prevent_cross_database_modification.rb

@@ -154,7 +154,11 @@ module Gitlab
         # by instantiating objects in different `gitlab_schema` in a
         # FactoryBot `create`.
         def self.in_factory_bot_create?
-          Rails.env.test? && caller_locations.any? { |l| l.path.end_with?('lib/factory_bot/evaluation.rb') && l.label == 'create' }
+          Rails.env.test? && caller_locations.any? do |l|
+            l.path.end_with?('lib/factory_bot/evaluation.rb') && l.label == 'create' ||
+            l.path.end_with?('lib/factory_bot/strategy/create.rb') ||
+            l.path.end_with?('shoulda/matchers/active_record/validate_uniqueness_of_matcher.rb') && l.label == 'create_existing_record'
+          end
         end
       end
     end