Change CORS documentation date to 05/12/2026

Update the date for the CORS documentation.

Author: tdykstra

aspnetcore/security/cors.md

@@ -5,7 +5,7 @@ author: tdykstra
 description: Learn how CORS as a standard for allowing or rejecting cross-origin requests in an ASP.NET Core app.
 ms.author: tdykstra
 ms.custom: mvc
-ms.date: 11/10/2025
+ms.date: 05/12/2026
 uid: security/cors
 ---
 # Enable Cross-Origin Requests (CORS) in ASP.NET Core