Update facade docblocks

Author: taylorotwell

src/Illuminate/Support/Facades/Broadcast.php

@@ -9,6 +9,9 @@
  * @method static void userRoutes(array|null $attributes = null)
  * @method static void channelRoutes(array|null $attributes = null)
  * @method static string|null socket(\Illuminate\Http\Request|null $request = null)
+ * @method static \Illuminate\Broadcasting\AnonymousEvent on(\Illuminate\Broadcasting\Channel|array|string $channels)
+ * @method static \Illuminate\Broadcasting\AnonymousEvent private(string $channel)
+ * @method static \Illuminate\Broadcasting\AnonymousEvent presence(string $channel)
  * @method static \Illuminate\Broadcasting\PendingBroadcast event(mixed|null $event = null)
  * @method static void queue(mixed $event)
  * @method static mixed connection(string|null $driver = null)