fixup!chore(github-action): build cnb image - fail late mode - fix se…

…t -x

.github/workflows/build-using-cnb-buildpack.yml

@@ -130,6 +130,7 @@ jobs:
             if $cmd;then
               echo ""
               echo "$type failed: retry in verbose mode"
+              set -x
               $cmd_prefix -vvv ${cmd##$cmd_prefix} 
               exit_status=1
             else