nilo19: Add GCR staging repo for kubernetes/cloud-provider-azure

JobBuild
440
10-30 03:10
pull-k8sio-cip 1203028102653939712 1194085090028687360 1189790816051138560 1189788419841069056 1189787919783563264 1189379954484187136 1189379074951221248
pull-k8sio-groups-test 1203028102632968201 1194085090016104448 1189790816030167040 1189788419845263360 1189787919766786052 1189379954467409920 1189379074951221249