chore(release): Use the alpine containers instead of openjdk (#531)
chore(release): Use the alpine containers instead of openjdk (#531)

The container we had been using hasn't been updated in months. See
spinnaker/spinnaker#5204.
spinnaker/fiat,spinnaker/fiat,cfieber/fiat,cfieber/fiat,spinnaker/fiat,cfieber/fiat