fix(packages/container): data race when uploading container blobs concurrently (#36524) (#36526)

Backport #36524 by @noeljackson

Fix data race when uploading container blobs concurrently

Co-authored-by: Noel Jackson <n@noeljackson.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

services/packages/container/blob_uploader.go

@@ -63,10 +63,10 @@ func NewBlobUploader(ctx context.Context, id string) (*BlobUploader, error) {
 	}
 
 	return &BlobUploader{
-		model,
-		hash,
-		f,
-		false,
+		PackageBlobUpload: model,
+		MultiHasher:       hash,
+		file:              f,
+		reading:           false,
 	}, nil
 }