update-libbuildpack:go 1.16 compatible go-install
update-libbuildpack:go 1.16 compatible go-install

Co-authored-by: Arjun Sreedharan <29ce4cd6ea5d13cdc653e7ecc5dd8b599d496b8a@vmware.com>

cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci