chore(release): Use the alpine containers instead of openjdk (#572)
chore(release): Use the alpine containers instead of openjdk (#572)

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