Update documentation link to ASP.NET Core 10.0

Co-authored-by: jamesmontemagno <1676321+jamesmontemagno@users.noreply.github.com>

Author: Copilot

readme.md

@@ -2,7 +2,7 @@
 
 Want to try out the latest performance improvements coming with .NET for web development? 
 
-This repo builds a Weather API, OpenAPI integration to test with [Scalar](https://learn.microsoft.com/aspnet/core/fundamentals/openapi/using-openapi-documents?view=aspnetcore-9.0#use-scalar-for-interactive-api-documentation), and displays the data in a web application using Blazor with .NET. 
+This repo builds a Weather API, OpenAPI integration to test with [Scalar](https://learn.microsoft.com/aspnet/core/fundamentals/openapi/using-openapi-documents?view=aspnetcore-10.0#use-scalar-for-interactive-api-documentation), and displays the data in a web application using Blazor with .NET. 
 
 We've given you both a frontend and backend to play around with and where you go from here is up to you!