Implement IPv6 DNS resolution and connection

The current implementation only support IPv4 address resolution and blames missing IPv6 support on Tor not having it implemented yet. Tor has IPv6 support by now, so it is time that we also add IPv6 support to Torsocks. This merge request implements the necessary changes in name resolution to handle IPv6 addresses properly and also allows connecting to IPv6 destinations.

Fixes #28627 and #40011 and #40020 and #27920 and #30729

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• aea6980b - Fix connecting to IPv6 targets

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changed title from Implement IPv6 DNS resolution to Implement IPv6 DNS resolution and connection

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• 9b898e4f - Let getaddrinfo resolve IPs correctly
• db8392df - Add dual-stack support with IPv4 + IPv6 tor address

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• 094e5f00 - Fix memory leaks

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