Bump server paramters max items to 1024

Author: Jeff Yanta

generated/go/transaction/v2/transaction_service.pb.go

@@ -137,7 +137,7 @@ message SubmitIntentResponse {
         // list. 
         repeated ServerParameter server_parameters = 1 [(validate.rules).repeated = {
             min_items: 1
-            max_items: 256 // Arbitrary, but must match SubmitActions.actions.max_items
+            max_items: 1024 // Arbitrary, but must match SubmitActions.actions.max_items
         }];
     }