Sync connection timeout is too long #272
Description
In scenarios where trying to connect to some URL with a domain name, alloy spends ~2-3 minutes trying to connect to the IPv4 address of that domain before falling back to try the IPv6 address. So if the target port is open only on IPv6, connecting seemingly takes a long time.
We should use a more sensible initial connection timeout, e.g. 10 seconds.