non-subscription configs to fix apt update errors

  1. Comment out line in /etc/apt/sources.list.d/pve-enterprise.list
    1. deb https://enterprise.proxmox.com/debian/pve bookworm pve-enterprise
  2. Add line in `/etc/apt/sources.list:
    1. deb http://download.proxmox.com/debian/pve bookworm pve-no-subscription
  3. Edit line in /etc/apt/sources.list.d/ceph.list 1. deb http://download.proxmox.com/debian/ceph-reef bookworm no-subscription