Now that ddclient 3.11.1 is available,
- upgrade VyOS buildAdditional improvements to the released version`service dns dynamic`
- adjust configurations to sync up to- Upgrade VyOS build to the ddclient released version 3.11.1
- aAdjust configurations to sync up with new release (migrate `dnsexit` to `dnsexit2`, enable more dual stack protocols etc.)
- Migrate `timeout` to a bit more apt sounding `interval`
- Apply additional tweaks as applicable