ci: move hadolint options in GHA workflow options

Author: mbologna

.github/workflows/build-scan-push.yml

@@ -33,7 +33,7 @@ jobs:
         uses: hadolint/hadolint-action@v3.1.0
         with:
           dockerfile: Dockerfile
-          failure-threshold: warning
+          failure-threshold: error
 
       - name: yamllint
         uses: ibiqlik/action-yamllint@v3