Update author and reviewer in subscription preview doc

Updated author and reviewer information for the document.

Author: Nicholak-MS

articles/cost-management-billing/manage/programmatically-create-subscription-preview.md

@@ -2,8 +2,8 @@
 title: Programmatically create Azure subscriptions with legacy APIs
 description: Learn how to create additional Azure subscriptions programmatically using legacy versions of REST API, Azure CLI, and Azure PowerShell.
 author: Nicholak-MS
-ms.author: nicholak
-ms.reviewer: nicholak
+ms.author: mijeffer
+ms.reviewer: mijeffer
 ms.service: cost-management-billing
 ms.subservice: billing
 ms.topic: how-to