Upgrading DOKS 1.22.8-do.1

doctl kubernetes cluster list
ID                                      Name     Region    Version        Auto Upgrade    Status     Node Pools
38b25270-16ca-4cea-b545-886b87cb9bc9    dok8s    sgp1      1.22.8-do.1    true            running    dok8s-pool1

kubectl get node -o wide
NAME                STATUS   ROLES    AGE   VERSION   INTERNAL-IP   EXTERNAL-IP      OS-IMAGE                       KERNEL-VERSION         CONTAINER-RUNTIME
dok8s-pool1-cxo5d   Ready    <none>   22m   v1.22.8   10.104.0.8    167.172.71.220   Debian GNU/Linux 10 (buster)   5.10.0-0.bpo.9-amd64   containerd://1.4.13
dok8s-pool1-cxo5i   Ready    <none>   22m   v1.22.8   10.104.0.10   167.172.71.227   Debian GNU/Linux 10 (buster)   5.10.0-0.bpo.9-amd64   containerd://1.4.13
dok8s-pool1-cxo5v   Ready    <none>   22m   v1.22.8   10.104.0.9    167.172.71.224   Debian GNU/Linux 10 (buster)   5.10.0-0.bpo.9-amd64   containerd://1.4.13