Fix get_worfklow_state docstring to match fetch_payloads default

Author: ajstewart

ext/dapr-ext-workflow/dapr/ext/workflow/dapr_workflow_client.py

@@ -123,7 +123,7 @@ def get_workflow_state(
         Args:
             instanceId: The unique ID of the workflow instance to fetch.
             fetch_payloads: If true, fetches the input, output payloads and custom status
-            for the workflow instance. Defaults to false.
+            for the workflow instance. Defaults to true.
 
         Returns:
             The current state of the workflow instance, or None if the workflow instance does not