fix nightlies

Author: mzihlmann

.github/workflows/nightly-vulnerability-scan.yml

@@ -27,7 +27,7 @@ jobs:
 
       - name: Scan the latest CI/CD image
         run: |
-          IMAGE_ID="gcr.io/kaniko-project/executor:${{ steps.get-commit.outputs.sha }}"
+          IMAGE_ID="martizih/kaniko:${{ steps.get-commit.outputs.sha }}"
           echo "Scanning image $IMAGE_ID"
           grype $IMAGE_ID > grype-output.txt