Longer delay time for fee bridge (#1521)

### This PR:
Adds a longer delay time when fetching the espresso balance because we
are consistently hitting the timeout in the docker demo.

sequencer/src/bin/bridge.rs

@@ -318,7 +318,7 @@ async fn get_espresso_balance(
                 if retry == max_retries {
                     return Err(err).context("getting account balance");
                 } else {
-                    sleep(Duration::from_secs(1)).await;
+                    sleep(Duration::from_secs(5)).await;
                 }
             }
         }