Merge pull request #10481 from ghogen/broken-links-oct22

fix redirected links

Author: prmerger-automator[bot]

docs/index.yml

@@ -56,7 +56,7 @@ productDirectory:
     - title: GitHub Codespaces
       imageSrc: /media/logos/logo_octokitty.svg
       links:
-         - url: https://docs.github.com/github/developing-online-with-codespaces/
+         - url: https://docs.github.com/codespaces
            text: Documentation
          - url: https://code.visualstudio.com/docs/remote/codespaces/
            text: Use with Visual Studio Code

docs/msbuild/what-s-new-in-msbuild-15-0.md

@@ -14,7 +14,7 @@ ms.workload:
 ---
 # What's new in MSBuild 15
 
-MSBuild is now available as part of the [.NET Core SDK](https://www.microsoft.com/net/download/core) and can build .NET Core projects on Windows, macOS, and Linux.
+MSBuild is now available as part of the [.NET Core SDK](https://dotnet.microsoft.com/download) and can build .NET Core projects on Windows, macOS, and Linux.
 
 ## Changed path