Create .NET 8+ TFM compatible version with COM source generator

[AaronRobinsonMSFT]

This library is currently imcompatible with the COM source generator. The issue is the COM interfaces defined in this assembly are both implemented here and occasionally used for COM interop. However, since they are not marked with GeneratedComInterface redining them is needed for certain NativeAOT scenarios and without a consistent definition between a native implementation DIA and this one there is no way to share the interfaces and use the abstraction.

See dotnet/runtime#66674

/cc @jkoritzinsky @jtschuster