Does not work on Proxmox v6.3-4

[samip5]

The result of trying to install the built deb package is an error.

dpkg: warning: downgrading pve-qemu-kvm from 5.2.0-1 to 4.1.1-3
(Reading database ... 58606 files and directories currently installed.)
Preparing to unpack pve-qemu-kvm_4.1.1-3_amd64.deb ...
Unpacking pve-qemu-kvm (4.1.1-3) over (5.2.0-1) ...
dpkg: dependency problems prevent configuration of pve-qemu-kvm:
 libproxmox-backup-qemu0 (1.0.3-1) breaks pve-qemu-kvm (<< 5.2.0-1) and is installed.
  Version of pve-qemu-kvm to be configured is 4.1.1-3.

dpkg: error processing package pve-qemu-kvm (--install):
 dependency problems - leaving unconfigured
Processing triggers for mime-support (3.62) ...
Processing triggers for man-db (2.8.5-2) ...
Errors were encountered while processing:
 pve-qemu-kvm