Storage - JS - fix metadata

Author: diberry

articles/storage/blobs/storage-blob-properties-metadata-javascript.md

@@ -9,7 +9,7 @@ ms.date: 11/30/2022
 ms.service: storage
 ms.subservice: blobs
 ms.topic: how-to
-ms.devlang: csharp
+ms.devlang: javascript
 ms.custom: devx-track-js, devguide-js
 ---