feat(p2p): support IPv6

[luislhl]

Motivation

We want to support IPv6 connections between fullnodes and support exposing their API through IPv6

Acceptance Criteria

• We should be able to listen the API, the Stratum and the P2P port in IPv6 interfaces. This will be activated by a new CLI argument deemed initially as experimental: --x-enable-ipv6
• We will also have a --x-disable-ipv4, to make nodes stop connecting to IPv4 endpoints. For now this will be used mostly for tests though, to force a fullnode to behave as IPv6-only.
• The peers should relay IPv6 endpoints only to other peers that also have the IPv6 capability. Relaying them to old fullnodes would cause errors when they try to parse IPv6.
• For simplicity, this PR only implements support for IPv6 addresses in endpoints, not domains that contain AAAA records

TODO

• After merging, we should think about how to have permanent nodes that are dualstack and ipv6-only so we always test this is working

Checklist

• If you are requesting a merge into master, confirm this code is production-ready and can be included in future releases as soon as it gets merged

[github-actions]

Bencher Report

Branch	feat/ipv6-support-2
Testbed	ubuntu-22.04

🚨 1 Alert

Benchmark	Measure Units	View	Benchmark Result (Result Δ%)	Lower Boundary (Limit %)
sync-v2 (up to 20000 blocks)	Latency nanoseconds (ns)	📈 plot 🚨 alert (🔔) 🚷 threshold	87,441,074,608.48 (-13.65%)	91,133,317,445.79 (104.22%)

Click to view all benchmark results

Benchmark	Latency	Benchmark Result nanoseconds (ns) (Result Δ%)	Lower Boundary nanoseconds (ns) (Limit %)	Upper Boundary nanoseconds (ns) (Limit %)
sync-v2 (up to 20000 blocks)	📈 view plot 🚨 view alert (🔔) 🚷 view threshold	87,441,074,608.48 (-13.65%)	91,133,317,445.79 (104.22%)	111,385,165,767.07 (78.50%)

🐰 View full continuous benchmarking report in Bencher

[codecov]

Codecov Report

Attention: Patch coverage is 85.50725% with 10 lines in your changes missing coverage. Please review.

Project coverage is 84.90%. Comparing base (d91513e) to head (dcb9a98).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
hathor/p2p/manager.py	50.00%	7 Missing and 1 partial ⚠️
hathor/p2p/peer.py	83.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1144      +/-   ##
==========================================
- Coverage   84.93%   84.90%   -0.04%     
==========================================
  Files         323      323              
  Lines       24985    25044      +59     
  Branches     3834     3846      +12     
==========================================
+ Hits        21222    21263      +41     
- Misses       3028     3042      +14     
- Partials      735      739       +4     

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The base branch was changed.