chore(ci): uncomment triggers during cleanup (#2284)

Author: DerekRoberts

.github/workflows/pr-open.yml

@@ -41,7 +41,7 @@ jobs:
     with:
       db_user: app-${{ github.event.number }}
       params: --set global.secrets.persist=false
-      # triggers: ('backend/' 'frontend/' 'migrations/' 'charts/')
+      triggers: ('backend/' 'frontend/' 'migrations/' 'charts/')
 
   tests:
     name: Tests