Notable changes:
- Switch base image to k8s.gcr.io/build-image/distroless-iptables:v0.1.1 (#83).
Images are available on:
- k8s.gcr.io/networking/ip-masq-agent:v2.8.0
- k8s.gcr.io/networking/ip-masq-agent:v2.8.0__linux_amd64
- k8s.gcr.io/networking/ip-masq-agent:v2.8.0__linux_arm
- k8s.gcr.io/networking/ip-masq-agent:v2.8.0__linux_arm64
- k8s.gcr.io/networking/ip-masq-agent:v2.8.0__linux_ppc64le
- k8s.gcr.io/networking/ip-masq-agent:v2.8.0__linux_s390x