Change return type from Task<List<MediaStream>> to Task<IAsyncEnumerable<MediaStream>> in MediaBrowser.Providers/MediaInfo/AudioResolver.cs

Co-authored-by: Claus Vium <cvium@users.noreply.github.com>

MediaBrowser.Providers/MediaInfo/AudioResolver.cs

@@ -21,7 +21,7 @@ namespace MediaBrowser.Providers.MediaInfo
 {
     public class AudioResolver
     {
-        public async Task<List<MediaStream>> GetExternalAudioStreams(
+        public async Task<IAsyncEnumerable<MediaStream>> GetExternalAudioStreams(
             Video video,
             int startIndex,
             IDirectoryService directoryService,