[throttle] fix doc test
@@ -122,9 +122,10 @@ impl Default for Limits {
///
/// ## Examples
///
-/// ```
+/// ```no_run (throttle fails to spawn task without tokio runtime)
/// use teloxide_core::{bot::Limits, requests::RequesterExt, Bot};
///
+/// # #[allow(deprecated)]
/// let bot = Bot::new("TOKEN").throttle(Limits::default());
///
/// /* send many requests here */
