Enhancements:
- dns: change UDPMaxLen to 1232 bytes
- dhcpd: use unicast to reply messages
- dhcpd: handle client requested ip option
- chore: change config example to default listen on 127.0.0.1 (fix #391)
- chore: update dependencies
- chore: built with Go1.20.14
NOTE: This will be the last version that supports Windows 7.