[Feature]: Policy param to only patch following the completion of a successful Proxmox container backup

What is the installation method of your PatchMon server?

Proxmox-community script

What is the version of your PatchMon server?

2.0.2

Briefly describe the feature

Policy param to only patch following the completion of a successful Proxmox container backup

Detailed description

The utility speaks for itself, IMO. :- )

Why is this useful?

Backing up prior to an update makes a ton of sense. If the update breaks something, it's helpful to just be able to roll back.