Removed pull event from build stage

.drone.yml

@@ -30,10 +30,11 @@ steps:
       - trivy image --image-src remote --exit-code 1 --severity CRITICAL nexus.khongisa.co.za/webapitest:${DRONE_BUILD_NUMBER}
 
 trigger:
-  event:
-    - pull_request
   branch:
     - main
+  event:
+    exclude:
+      - promote
 
 ---
 kind: pipeline
@@ -64,4 +65,4 @@ trigger:
   event:
     - promote
   target:
-    - uat
+    - staging