chore(dependencies): update tokio, h2, and tower-make

src/client/connect/http.rs

@@ -470,7 +470,7 @@ impl ConnectingTcp {
                 local_addr,
                 preferred: ConnectingTcpRemote::new(preferred_addrs),
                 fallback: Some(ConnectingTcpFallback {
-                    delay: tokio_timer::sleep(fallback_timeout),
+                    delay: tokio_timer::delay_for(fallback_timeout),
                     remote: ConnectingTcpRemote::new(fallback_addrs),
                 }),
                 reuse_address,

src/server/tcp.rs

@@ -135,7 +135,7 @@ impl AddrIncoming {
                         error!("accept error: {}", e);
 
                         // Sleep 1s.
-                        let mut timeout = tokio_timer::sleep(Duration::from_secs(1));
+                        let mut timeout = tokio_timer::delay_for(Duration::from_secs(1));
 
                         match Pin::new(&mut timeout).poll(cx) {
                             Poll::Ready(()) => {