Add `use-latest-image` to config

[kaovilai]

❯ wget -q -O - "https://hub.docker.com/v2/namespaces/kindest/repositories/node/tags?page_size=50" | grep -o '"name": *"[^"]*' | grep -o '[^"]*$' | grep -v -E "alpha|beta" | awk -F. '{if(!a[$1"."$2]++)print $1"."$2"."$NF}' | sort -r | head -n 1
v1.31.1

Use an output like this to determine latest kindest/node.
Inspired by vmware-tanzu/velero#8375