[llvm] [mlir] [CMake] Do not set CMP0116 explicitly to old (PR #90385)

[NAKAMURA Takumi via llvm-commits]

chapuni wrote:

@boomanaiden154 Looks like the real issue.
https://gitlab.kitware.com/cmake/cmake/-/issues/25943
Could you tri other versions of CMake?

I guess no one has actually tried NEW DEPFILE with ninja.exe, or I am afraid if we would be the only users of it.

https://github.com/llvm/llvm-project/pull/90385