clusterのCCKで回線速度が遅い時のアップロード失敗を改善する方法

C:\Users\[ユーザー名]\AppData\Local\Unity\cache\packages\registry.npmjs.com\mu.cluster.cluster-creator-kit@[バージョン]\Editor\Api\RPC\UploadVenueService.cs

UploadVenueAsync関数の全体像
async Task UploadVenueAsync(CancellationToken cancellationToken)
{
    isProcessing = true;

    try
    {
        var uploadRequest = new PostUploadRequestService(accessToken, isBeta);
        var uploadRequestRespose = await uploadRequest.PostUploadRequestAsync(venue.VenueId, cancellationToken);
        Debug.Log(TranslationUtility.GetMessage(TranslationTable.cck_upload_request, uploadRequestRespose.UploadRequestId));
        uploadRequestId = uploadRequestRespose.UploadRequestId;
        uploadStatus[UploadPhase.PreProcess] = true;


        //修正箇所！「順次アップロード」に変更するところ
        //１プラットフォームごとに、ワールドデータ送信
        foreach (var platformInfo in exportedAssetInfo.PlatformInfos)
        {
            await UploadAssetBundlesAsync(platformInfo, cancellationToken);
        }

        //元のコード部分(変更前のコード)
        //全プラットフォーム分、一気にワールドデータ送信
        //await Task.WhenAll(
        //    exportedAssetInfo.PlatformInfos.Select(platformInfo => UploadAssetBundlesAsync(platformInfo, cancellationToken)));


        var notifyFinishedRequest = new PostNotifyFinishedUploadService(accessToken);
        completionResponse = await notifyFinishedRequest.PostNotifyFinishedUploadAsync(
            venue.VenueId, uploadRequestId, worldDescriptor, isPreview, cancellationToken);

        Debug.Log(TranslationUtility.GetMessage(TranslationTable.cck_notify_upload_finished, completionResponse.UploadRequestId));
        uploadRequestId = null;
        uploadStatus[UploadPhase.PostProcess] = true;

        onSuccess?.Invoke(completionResponse);
    }
    catch (Exception e)
    {
        HandleError(e);
    }
    finally
    {
        isProcessing = false;
    }
}

[自分のUnityプロジェクトがあるフォルダ]\Library\PackageCache\mu.cluster.cluster-creator-kit@[バージョン]\Editor\Api\RPC\UploadVenueService.cs