For QUIC but also for regular TCP when the second family runs out of IPs
with a failure while the first family is still trying to connect.
Separated the timeout handling for IPv4 and IPv6 connections when they
both have a number of addresses to iterate over.
USe configure --with-ngtcp2 or --with-quiche
Using either option will enable a HTTP3 build.
Co-authored-by: Alessandro Ghedini <alessandro@ghedini.me>
Closes#3500
Daniel Stenberg
Javier Blazquez