feat: use the same acr with a prefix in image tag for devtest

Author: MacMur85

.github/workflows/stage-3-build-images-devtest.yaml

@@ -197,6 +197,6 @@ jobs:
 
           # Remove the images
           docker rmi "${repo_name}:${DEVTEST_HASH_TAG}"
-          docker rmi "${repo_name}:${PR_NUM_TAG}"
-          docker rmi "${repo_name}:${ENVIRONMENT_TAG}"
+          # docker rmi "${repo_name}:${PR_NUM_TAG}"
+          # docker rmi "${repo_name}:${ENVIRONMENT_TAG}"
           docker rmi ${PROJECT_NAME}-${function}:latest