Updated internal repo interaction doc (#11076)

Fixes #10839

Context
Some information there was stale, just updated to match what we currently do, and updated some links.

documentation/wiki/Interactions-with-the-internal-repository.md

@@ -2,9 +2,9 @@
 
 MSbuild got forked from an internal Microsoft repository. Although the Github repository is the official one, where development takes place, there are still some left-over connections to the internal one. This page attempts to document these.
 
-Changes to these files need to be migrated back into the internal repo because that's where they are localized:
-- [src/XMakeCommandLine/Microsoft.Build.Core.xsd](https://github.com/dotnet/msbuild/blob/main/src/XMakeCommandLine/Microsoft.Build.Core.xsd)
-- [src/XMakeCommandLine/Microsoft.Build.CommonTypes.xsd](https://github.com/dotnet/msbuild/blob/main/src/XMakeCommandLine/Microsoft.Build.CommonTypes.xsd)
+Changes to these files are automatically migrated back into the internal repo because that's where they are localized:
+- [src/XMakeCommandLine/Microsoft.Build.Core.xsd](https://github.com/dotnet/msbuild/blob/main/src/MSBuild/MSBuild/Microsoft.Build.Core.xsd)
+- [src/XMakeCommandLine/Microsoft.Build.CommonTypes.xsd](https://github.com/dotnet/msbuild/blob/main/src/MSBuild/MSBuild/Microsoft.Build.CommonTypes.xsd)
 
 There should be no changes to the following files. They are shipped from the internal repo. The github ones are stale.
 - [all XamlRules](https://github.com/dotnet/msbuild/tree/main/src/XMakeTasks/XamlRules)