command/build: use the real artifact string in machine readable
command/build: use the real artifact string in machine readable

Kaixiang/packer,TranscendComputing/packer,suma/packer,suma/packer,Kaixiang/packer,TranscendComputing/packer,patricklucas/packer,patricklucas/packer,TranscendComputing/packer,patricklucas/packer,Kaixiang/packer,TranscendComputing/packer,suma/packer,patricklucas/packer,suma/packer,Kaixiang/packer