modified output for NAT gateway from feedback

quickstart/201-private-link-sql-database/outputs.tf

@@ -13,9 +13,9 @@ output "subnet_name_1" {
   value       = azurerm_subnet.my_terraform_subnet_1.name
 }
 
-output "nat_gateway" {
+output "nat_gateway_name" {
   description = "The name of the created NAT gateway."
-  value       = azurerm_nat_gateway.my_nat_gateway.id
+  value       = azurerm_nat_gateway.my_nat_gateway.name
 }
 
 output "sql_server_name" {