Fix trivy.json output path

.gitea/workflows/trivy-scan.yml

@@ -26,7 +26,7 @@ jobs:
               --severity MEDIUM,HIGH,CRITICAL \
               --ignore-unfixed \
               --format json \
-              --output trivy.json \
+              --output /workspace/trivy.json \
               --exit-code 1
 
       - name: Notify Node-RED on vulnerabilities