Add license header to WORKSPACE file
Add license header to WORKSPACE file

PiperOrigin-RevId: 279538173

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