chore: upgrade to Flutter 3.24.5

At the time of writing the latest Flutter version.

lib/services/download_service.dart

@@ -534,7 +534,7 @@ class DownloadService extends _$DownloadService {
 
     _port.asyncMap((dynamic data) async {
       final taskId = (data as List<dynamic>)[0] as String;
-      final status = DownloadTaskStatus(data[1] as int);
+      final status = DownloadTaskStatus.fromInt(data[1] as int);
       final progress = data[2] as int;
 
       var download = state.downloads.firstWhereOrNull(
@@ -579,11 +579,11 @@ class DownloadService extends _$DownloadService {
   @pragma('vm:entry-point')
   static void downloadCallback(
     String id,
-    DownloadTaskStatus status,
+    int status,
     int progress,
   ) {
     IsolateNameServer.lookupPortByName('downloader_send_port')?.send(
-      [id, status.value, progress],
+      [id, status, progress],
     );
   }
 }