Fix cargo clippy issues

src/server/api/ws.rs

@@ -34,7 +34,7 @@ pub async fn ws(
     if let Err(e) = tx.send(BroadcastMessage::StartSyncTaskForUser(
         auth.user.user_id.clone(),
     )) {
-        log::error!("Failed to send StartSyncTaskForUser: {}", e);
+        log::error!("Failed to send StartSyncTaskForUser: {e}");
     }
 
     let rx = tx.subscribe();
@@ -96,7 +96,7 @@ pub async fn ws_handler(
                         // Send the message to the websocket
                         if let Ok(msg) = serde_json::to_string(&WsMessage::Sync(*event)) {
                             if let Err(e) = session.text(msg).await {
-                                log::error!("Failed to send SyncEvent: {}", e);
+                                log::error!("Failed to send SyncEvent: {e}");
                             }
                         }
                     }