docs: update default value for swarm-deferred-upload (#4956)

Author: NoahMaizels

openapi/SwarmCommon.yaml

@@ -1240,10 +1240,10 @@ components:
       name: swarm-deferred-upload
       schema:
         type: boolean
-        default: "false"
+        default: "true"
       required: false
       description: >
-        Determines if the uploaded data should be sent to the network immediately or in a deferred fashion. By default the upload will be direct.
+        Determines if the uploaded data should be sent to the network immediately or in a deferred fashion. By default the upload will be deferred.
 
     SwarmCache:
       in: header