[llvm] [mlir] [mlir] split transform interfaces into a separate library (PR #85221)

[Stella Laurenzo via llvm-commits]

https://github.com/stellaraccident approved this pull request.

This seems like a positive change. I have to admit, though, that seeing the sprawl that the tie in to TD has on the codebase all in one place gives me pause. I think we really need to have a conversation about encapsulation. Maybe I'm just looking at this wrong.

https://github.com/llvm/llvm-project/pull/85221