modified echo for group array

update-NebulaNodeCert

@@ -39,4 +39,4 @@ NODEGROUPS=($(${NEBULACERTBINPATH} print -path ${CERTPATH} -json | jq -s --compa
 
 echo "Node Name: ${NODENAME}"
 echo "Node IPs: ${NODEIPS}"
-echo "Node Groups: ${NODEGROUPS}"
+echo "Node Groups: ${NODEGROUPS[@]}"