fix: lint for ruff

Author: dartpain

application/api/user/routes.py

@@ -1442,7 +1442,7 @@ def wrapper(*args, **kwargs):
     return wrapper
 
 
-@user_ns.route(f"/api/webhooks/agents/<string:webhook_token>")
+@user_ns.route("/api/webhooks/agents/<string:webhook_token>")
 class AgentWebhookListener(Resource):
     method_decorators = [require_agent]