proxmox updates w/out paid repo

updates.sh

#!/bin/sh
sed -i 's:^deb :#deb :g' /etc/apt/sources.list.d/pve-enterprise.list
wget http://download.proxmox.com/debian/proxmox-release-bullseye.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bullseye.gpg
echo '# pve-no-subscription repository provided by proxmox.com, not recommended for production use
deb http://download.proxmox.com/debian/pve bullseye pve-no-subscription
' > /etc/apt/sources.list.d/pve-no-subscription.list
apt update
#pveupgrade