The full RID graph is frozen and won't change anymore. Mark the Microsoft.NETCore.Platforms nuget package as non-shipping as only the sdk repository still requires it.
Contributes to https://github.com/dotnet/runtime/issues/90000
<GenerateDocumentationFile>false</GenerateDocumentationFile>
<IsPackable>true</IsPackable>
+ <IsShipping>false</IsShipping>
<PackageId>$(MSBuildProjectName)</PackageId>
<SuppressDependenciesWhenPacking>true</SuppressDependenciesWhenPacking>
<PackageDescription>Provides runtime information required to resolve target framework, platform, and runtime specific implementations of .NETCore packages.</PackageDescription>