modify ingestion stage rules for test

.gitlab-ci.yml

@@ -164,7 +164,11 @@ ingest:
     echo "Ingestion finished."
 
   rules:
-    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
+      when: never
+    - if: '$CI_COMMIT_BRANCH'
+    - if: '$CI_COMMIT_TAG'
+      when: never
 
   artifacts:
     when: always