infra: print cmd in azure build to clearly see what command is running

Author: romani

azure-pipelines.yml

@@ -161,7 +161,7 @@ steps:
     set -e
     echo "ON_CRON_ONLY:"$ON_CRON_ONLY
     echo "BUILD_REASON:"$BUILD_REASON
-    echo "cmd: "$cmd
+    echo "cmd: "$(cmd)
     eval "$(cmd)"
   condition: |
       or (