exclude task request info from the webhook request payload (#195)

skyvern/forge/agent.py

@@ -840,7 +840,7 @@ async def execute_task_webhook(self, task: Task, last_step: Step, api_key: str |
         # send task_response to the webhook callback url
         # TODO: use async requests (httpx)
         timestamp = str(int(datetime.utcnow().timestamp()))
-        payload = task_response.model_dump_json(exclude={"request": {"navigation_payload"}})
+        payload = task_response.model_dump_json(exclude={"request"})
         signature = generate_skyvern_signature(
             payload=payload,
             api_key=api_key,