spiffxp: labels: overhaul kubernetes/k8s.io labels

JobBuild
23084
07-30 21:08
pull-test-infra-bazel 1422286013962653696 1422210766475366400 1421217845257179136 1421216028653785088
pull-test-infra-integration 1422286014063316992 1422210766605389824 1421217845353648128 1421216028746059776
pull-test-infra-verify-file-perms 1422286013996208128 1422210766508920832 1421217845294927872 1421216028695728128
pull-test-infra-yamllint 1422286014029762560 1422210766563446784 1421217845336870912 1421216028729282560