fix: add port to service_credentials_object output (#171)

Author: akocbek

main.tf

@@ -170,6 +170,7 @@ locals {
   service_credentials_object = length(var.service_credential_names) > 0 ? {
     hostname    = ibm_resource_key.service_credentials[keys(var.service_credential_names)[0]].credentials["connection.mongodb.hosts.0.hostname"]
     certificate = ibm_resource_key.service_credentials[keys(var.service_credential_names)[0]].credentials["connection.mongodb.certificate.certificate_base64"]
+    port        = ibm_resource_key.service_credentials[keys(var.service_credential_names)[0]].credentials["connection.mongodb.hosts.0.port"]
     credentials = {
       for service_credential in ibm_resource_key.service_credentials :
       service_credential["name"] => {