Carbon neutral option added the Missing Create Element and Append it to Current Node (#338)

Author: Shehryar2

src/Entity/ShipmentServiceOptions.php

@@ -210,6 +210,10 @@ public function toNode(DOMDocument $document = null)
             }
         }
 
+        if (isset($this->UPScarbonneutralIndicator)) {
+            $node->appendChild($document->createElement('UPScarbonneutralIndicator'));
+        }
+
         return $node;
     }