fix trailing slash in paypal webhook route

routers/paypal.py

@@ -148,7 +148,7 @@ def create_subscription(request: Request, payload: dict = fastapi_request_json):
 
 # Capture payment for the created order to complete the transaction.
 # @see https://developer.paypal.com/docs/api/orders/v2/#orders_capture
-@router.post("/__/paypal/orders/{order_id}/capture/")
+@router.post("/__/paypal/orders/{order_id}/capture")
 def capture_order(order_id: str):
     response = requests.post(
         str(furl(settings.PAYPAL_BASE) / f"v2/checkout/orders/{order_id}/capture"),