This release only contains updates in debian packaging. All other platforms
could safely continue to use 3.2.0 or 3.3.0.
I didn't want to make a path release, though, because I didn't want to convey
the meaning that something was fixed.
Related to https://github.com/ooni/ooni.org/issues/677
* chore: set version to 3.0.12-alpha
I need to bless 3.0.11 now to pin to ooni/probe-engine v0.20.2.
* chore: update all dependencies
Most notably, pin to ooni/probe-engine 0.20.2.
