add triggers (#1571)

Author: skarimo

.github/workflows/test_integration.yml

@@ -2,7 +2,13 @@ name: Run Integration Tests
 
 on:
   pull_request:
-    types: [opened, synchronize, reopened, ready_for_review]
+    types:
+      - opened
+      - reopened
+      - ready_for_review
+      - synchronize
+      - labeled
+      - unlabeled
     branches:
       - master
   schedule: