message: Use `smol::Timer::interval` for `time::Every`
diff: @@ -35,16 +35,8 @@ where
  _input: futures::stream::BoxStream<'static, E>,
  ) -> futures::stream::BoxStream<'static, Self::Output> {
  use futures::stream::StreamExt;
  - use std::time::Instant;
  - let duration = self.0;
  -
  - futures::stream::unfold(Instant::now(), move |last_tick| async move {
  - let last_tick = smol::Timer::at(last_tick + duration).await;
  -
  - Some((last_tick, last_tick))
  - })
  - .boxed()
  + smol::Timer::interval(self.0).boxed()
  }
  }
  