it is not showing up for me :Its a minor upgrade, so you usually you can upgrade your PBS just thorugh the "GUI: Administration -> Updates -> Refresh + Upgrade" or using the console withapt update && apt full-upgrade
.
root@pbs1:~# apt update && apt full-upgrade
Hit:1 http://security.debian.org bullseye-security InRelease
Hit:2 http://ftp.ca.debian.org/debian bullseye InRelease
Hit:3 http://download.proxmox.com/debian/pve bullseye InRelease
Hit:4 http://ftp.ca.debian.org/debian bullseye-updates InRelease
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
All packages are up to date.
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.