Bundled c-tor crashes when connecting to PoW onion-services

c-tor issue for tpo/applications/tor-browser#43245 (closed)

So far we have not been able to repro on other platforms (macoS x86_64, Android aarch64, others, etc).

Our c-tor build-configuration can be found here: https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/tree/main/projects/tor?ref_type=heads

/cc @ahf