fix: increase typing timeout to 4s (#119)

The frontend only sends typing updates every 2.5-3s, so the 1s
timeout caused the typing indicator to flicker.

Signed-off-by: Aeledfyr <aeledfyr@gmail.com>

src/events/v1.ts

@@ -599,7 +599,7 @@ export async function handleEvent(
                 { ...event, type: "ChannelStopTyping" },
                 setReady,
               ),
-            1000,
+            4000,
           ) as never;
 
           client.emit(