[clean] update ytdlp

lib/services/download.dart

@@ -64,6 +64,9 @@ class DLServices {
     if (Platform.isLinux || Platform.isMacOS) {
       await Process.run('chmod', ['+x', ytDlpPath]);
     }
+
+    await Process.run(ytDlpPath, ['-U'])
+        .then((result) => {debugPrint('yt-dlp version: ${result.stdout}')});
   }
 
   Future<void> checkFFmpeg() async {