The trimming tests are not using the current ILLink.Targets logic that comes from the dotnet/runtime repo. This is a left-over of the previous versions when this logic came from the dotnet/linker repo. But it is now contained in dotnet/runtime, so we should be using the current repo version so PRs are validated with the updated logic.

          My understanding is that the `trimmingTests` failing here are using the package version picked up in this PR, based on

Originally posted by @sbomer in #88245 (comment)