Add -x to test_torchao_huggingface_checkpoints.sh (pytorch#14232)

Causes the script to print commands it's executing which should make
debugging easier

Author: swolchok

.ci/scripts/test_torchao_huggingface_checkpoints.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -euo pipefail
+set -euxo pipefail
 
 # -------------------------
 # Args / flags