Fix alias for FileCheck target
Fix alias for FileCheck target

We've renamed it to llvm-project to match tensorflow's alias after the MLIR move into LLVM

PiperOrigin-RevId: 287589888

iree-org/iree,iree-org/iree,google/iree,google/iree,google/iree,google/iree,iree-org/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,iree-org/iree,iree-org/iree,google/iree