Update mr-learning-sharing-04.md

updated author

Author: Varnauld

Diff for: mixed-reality-docs/mr-dev-docs/develop/unity/tutorials/mr-learning-sharing-04.md

@@ -1,8 +1,8 @@
 ---
 title: Sharing object movements with multiple users
 description: Complete this course to learn how to share object movements with multiple users in a HoloLens 2 application.
-author: jessemcculloch
-ms.author: vinnietieto
+author: AMollis
+ms.author: amollis
 ms.date: 03/24/2022
 ms.topic: article
 keywords: mixed reality, unity, tutorial, hololens, multi-user capabilities, Photon, MRTK, mixed reality toolkit, UWP, Azure spatial anchors