Update ms.date in OpenAPI using docs article

Co-authored-by: wadepickett <10985336+wadepickett@users.noreply.github.com>

Author: Copilot

aspnetcore/fundamentals/openapi/using-openapi-documents.md

@@ -5,7 +5,7 @@ author: wadepickett
 description: Learn how to use OpenAPI documents in an ASP.NET Core app.
 monikerRange: '>= aspnetcore-6.0'
 ms.author: wpickett
-ms.date: 02/02/2026
+ms.date: 08/28/2026
 uid: fundamentals/openapi/using-openapi-documents
 ---
 # Use openAPI documents