migrating to ubuntu:bionic and golang-builder
migrating to ubuntu:bionic and golang-builder

Signed-off-by: Bishoy Youssef <9b4d1ba1708a9b42aa1e22343aa1f23ecf97ab43@pivotal.io>
Co-authored-by: Bishoy Youssef <9b4d1ba1708a9b42aa1e22343aa1f23ecf97ab43@pivotal.io>

concourse/s3-resource,concourse/s3-resource