Update Node Pool Update description to include autoscaler

Author: bbiggerr

openapi.yaml

@@ -8939,7 +8939,7 @@ paths:
       - Linode Kubernetes Engine (LKE)
       summary: Node Pool Update
       description: |
-        Updates a Node Pool's count.
+        Updates a Node Pool's count and autoscaler configuration.
 
         Linodes will be created or deleted to match changes to the Node Pool's count.