Add link to .NET Aspire API ref (#44488)

Author: gewarren

docs/index.yml

@@ -372,9 +372,9 @@ additionalContent:
           summary: API reference documentation for ML.NET
           url: ../api/index.md?view=ml-dotnet&preserve-view=true
         # Card
-        - title: ".NET Package-provided API reference"
-          summary: Reference documentation for package-provided .NET APIs
-          url: ../api/index.md?view=dotnet-9.0-pp&preserve-view=true
+        - title: ".NET Aspire API reference"
+          summary: Reference documentation for .NET Aspire
+          url: ../api/index.md?view=dotnet-aspire-9.0&preserve-view=true
         # Card
         - title: "C# language reference"
           summary: C# language reference and specification