This PR is a follow-up to #34256 and extends support for get_bind_addrs and feature_bind_extra to illumos-based OSes.
Here are CI runs:
- OmniOS: https://github.com/hebasto/bitcoin-core-nightly/actions/runs/25391966720/job/74468553196
- OpenIndiana: https://github.com/hebasto/bitcoin-core-nightly/actions/runs/25391966733/job/74468552823
Addresses this comment.