v1.13.0: Merge pull request #2826 from sharady/CA-220506-new

• Rationalize packaging formats for supplemental packs and hotfixes
• Mark PV-drivers-up-to-date as deprecated
• Mark VDI.parent as deprecated
• CA-220506: Update rbac role for SR.scan API call.
• CA-226028 support vm-start --force for memory limits under nested-virt
• CA-223505 detach a VM's network (PVS) when migrating away from a host
• CA-227721: init-script: flush to log on xapi start
• CA-220275: increase host evacuation timeout during host shutdown
• CA-224335 re-start agetty only when IP addr changes
• CA-226023 When using nested_virt, don't allow changing_dynamic_range op