v1.16.0

This updates
alpline 3.17
DO_KUBE_VERSION="v1.25.4"
HELM_VERSION="v3.10.2"
DOCTL_VERSION="1.88.0"
SOPS_VERSION="3.7.3"
HELM_SECRETS_VERSION="3.15.0"

Also adds a new feature - which retries a helm command three times before giving up.