cloudron-support: fix docker version script

scripts/installer.sh

@@ -106,7 +106,8 @@ fi
 
 # https://docs.docker.com/engine/installation/linux/ubuntulinux/
 # https://download.docker.com/linux/ubuntu/dists/noble/pool/stable/amd64/
-readonly docker_version="28.1.1" # this is the highest on Ubuntu 20.04 focal
+# this is the highest on Ubuntu 20.04 focal
+readonly docker_version="28.1.1"
 readonly containerd_version="1.7.27"
 if ! which docker 2>/dev/null || [[ $(docker version --format {{.Client.Version}}) != "${docker_version}" ]]; then
     log "installing/updating docker"