Add tor v3 hidden service support

The new tor (0.3.2) has support for v3 hidden services, it is trivial to support these "dual-stack" style.

mentioned in merge request !132 (merged)

@micah Why do you propose adding a feature while we want to release platform 0.10 for month ?

Varac gitlab@0xacab.org writes:

@micah Why do you propose adding a feature while we want to release platform 0.10 for month ?

because its a simple change and if its not there, riseup will have to carry a custom change until the next release

closed via commit 414e36cf

closed via merge request !132 (merged)

mentioned in commit 414e36cf