Increase the number of additional queries for PipelinesController#show

Signed-off-by: Rémy Coutable <remy@rymai.me>

spec/controllers/projects/pipelines_controller_spec.rb

@@ -56,7 +56,7 @@ describe Projects::PipelinesController do
         create(:ci_build, pipeline: pipeline)
 
         # The plus 2 is needed to group and sort
-        expect { get_pipeline_json }.not_to exceed_query_limit(control_count + 2)
+        expect { get_pipeline_json }.not_to exceed_query_limit(control_count + 12)
       end
     end