update Dockerfile to pull from https://gallery.ecr.aws/eks-distro-build-tooling/golang to avoid reaching pull rate limit from docker.io
update Dockerfile to pull from https://gallery.ecr.aws/eks-distro-build-tooling/golang to avoid reaching pull rate limit from docker.io

kubernetes-sigs/aws-iam-authenticator,kubernetes-sigs/aws-iam-authenticator,kubernetes-sigs/aws-iam-authenticator