message: Fix azure pipeline variable
diff: @@ -95,7 +95,7 @@ jobs:
  - script: |
  set -ex
  - az acr repository delete --name attestationcontainerregistry --image attestation-container:$image_version --yes
  + az acr repository delete --name attestationcontainerregistry --image attestation-container:$(image_version) --yes
  name: cleanup_container_image
  displayName: "Delete the container image"
  