Reorder args for scale_from_zero method

Author: ChrisThibodeaux

modules/machinery/az.py

@@ -641,7 +641,7 @@ def get_first_machine(query: sqlalchemy.orm.Query) -> Optional[Machine]:
             return None
         return machine
 
-    def _scale_from_zero(self, os_version: str, task: Task, tags):
+    def _scale_from_zero(self, task: Task, os_version: str, tags):
         """
         Scale up VMSS with current size of 0 and able to run the task.
         """