Upgrading DOKS-1.28.2-do.0

doctl kubernetes cluster list
ID                                      Name     Region    Version        Auto Upgrade    Status     Node Pools
16241d5b-6e03-4ded-9da9-cbe96abcdb78    dok8s    sgp1      1.28.2-do.0    false           running    dok8s-pool

kubectl version
Client Version: v1.28.2
Kustomize Version: v5.0.4-0.20230601165947-6ce0bf390ce3
Server Version: v1.28.2

kubectl get node -o wide
NAME               STATUS   ROLES    AGE     VERSION   INTERNAL-IP   EXTERNAL-IP      OS-IMAGE                         KERNEL-VERSION   CONTAINER-RUNTIME
dok8s-pool-ypy56   Ready    <none>   4h29m   v1.28.2   10.104.0.6    68.183.224.69    Debian GNU/Linux 12 (bookworm)   6.1.0-12-amd64   containerd://1.6.22
dok8s-pool-ypy5t   Ready    <none>   4h28m   v1.28.2   10.104.0.5    157.245.199.48   Debian GNU/Linux 12 (bookworm)   6.1.0-12-amd64   containerd://1.6.22