main: Increase the broadcast channel capacity

src/main.rs

@@ -51,7 +51,7 @@ async fn main() -> anyhow::Result<()> {
 
     // This message passing channel is used for sending messages to the matrix module,
     // it holds a tuple with an HTML message and a list of rooms to post to
-    let (bcast_tx, bcast_rx) = broadcast::channel(16);
+    let (bcast_tx, bcast_rx) = broadcast::channel(1024);
 
     let state_db = FeedReaderStateDb::new("state.yaml").await
         .expect("Failed to initialize feed reader state db");