make scout fail on policy

Author: shelajev

.github/workflows/scout.yml

@@ -41,7 +41,9 @@ jobs:
         id: docker-scout
         uses: docker/scout-action@v1
         with:
-          command: quickview
+          command: quickview,compare
           image: olegselajev241/todo-demo-application:${{ env.SHA }}
+          to-latest: true
           only-severities: critical,high
+          exit-on: policy
           write-comment: false