* Bump to Go 1.16.6, which fixes some important issues * use linux/arm64 golang base image - Discovered the correct digest using: 'docker manifest inspect golang:1.16.6 | jq -r '.manifests[] | select(.platform.os == "linux" and .platform.architecture == "amd64") | .digest' Co-authored-by: Sam Salisbury <samsalisbury@gmail.com>