upgrade callback timeout to 600

app.py

@@ -53,7 +53,7 @@ def process_in_background(task_id: int, image_contents: List[bytes], callback_ur
     
     try:
         logger.info(f"[Task {task_id}] Sending callback to {callback_url}")
-        requests.post(callback_url, files=files, data=data_payload, headers=headers, timeout=180).raise_for_status()
+        requests.post(callback_url, files=files, data=data_payload, headers=headers, timeout=600).raise_for_status()
         logger.info(f"[Task {task_id}] Callback sent successfully.")
     except requests.RequestException as e:
         logger.error(f"[Task {task_id}] Failed to send callback: {e}")