Update MediaBrowser.Providers/TV/TheTVDB/TvdbSeriesImageProvider.cs

Co-Authored-By: cvium <cvium@users.noreply.github.com>

MediaBrowser.Providers/TV/TheTVDB/TvdbSeriesImageProvider.cs

@@ -52,7 +52,7 @@ namespace MediaBrowser.Providers.TV.TheTVDB
         {
             if (!TvdbSeriesProvider.IsValidSeries(item.ProviderIds))
             {
-                return new RemoteImageInfo[] { };
+                return Array.Empty<RemoteImageInfo>();
             }
 
             var language = item.GetPreferredMetadataLanguage();