Update authors in introduction YAML file

Author: rmcmurray

learn-pr/github/github-introduction-administration/1-introduction.yml

@@ -5,8 +5,8 @@ metadata:
   title: Introduction
   description: An introduction to the topics you'll learn about in this module.
   ms.date: 09/20/2024
-  author: rmcmurray
-  ms.author: robmcm
+  author: lucie-docs
+  ms.author: aastewar
   ms.topic: unit
 durationInMinutes: 1
 content: |