Use a more recent version of kustomize

The kustomize image variants are using a _very_ old version of kustomize from 2019:

https://github.com/theohbrothers/docker-kubectl/blob/0e713bd714aed8f1271962ab96794c0b74bff920/variants/1.31.9-envsubst-git-jq-kustomize-sops-ssh-yq/Dockerfile#L41

Is there a possibility of using a more recent version?