tests/CI: additional scheduling and loggin updates

Do not schedule gcp.sh on rhel-10 and centos-stream-10. Also improve
loggin for aws.sh and azure.sh as the cloud-image-val testing is
currently not preformed there.

test/cases/gcp.sh

@@ -14,7 +14,7 @@ set -euo pipefail
 
 if [[ ($ID == rhel || $ID == centos) && ${VERSION_ID%.*} == 10 ]]; then
     echo "Temporary disabled b/c GCP isn't suported on el10"
-    exit 0
+    exit 1
 fi
 
 # Container image used for cloud provider CLI tools