Fix URL for ASP.NET Core 11.0 release notes (#51966)

Author: svick

docs/whats-new/index.yml

@@ -15,7 +15,7 @@ landingContent:
     - text: .NET 11
       url: ../core/whats-new/dotnet-11/overview.md
     - text: ASP.NET Core 11.0
-      url: /aspnet/core/release-notes/aspnetcore-11.0
+      url: /aspnet/core/release-notes/aspnetcore-11
 - title: .NET 10 release updates
   linkLists:
   - linkListType: whats-new