updated sampel code to match schema

updated ms.date swore I did that the first time :(

Author: sparkitect

docs/declarative-customization/get-started-create-site-design.md

@@ -1,7 +1,7 @@
 ---
 title: Get started creating SharePoint site templates and site scripts
 description: Create site templates to provide reusable lists, themes, layouts, pages, or custom actions so that your users can quickly build new SharePoint sites with the features they need.
-ms.date: 06/28/2022
+ms.date: 09/30/2022
 ms.localizationpriority: high
 ---