[v9_16] Add OpenBSD 7.1
(cherry picked from commit 7edf8ab4)
Validation pipeline: https://gitlab.isc.org/isc-projects/bind9/-/pipelines/112551.
Backport of !6663 (merged)
Edited by Michał Kępień
(cherry picked from commit 7edf8ab4)
Validation pipeline: https://gitlab.isc.org/isc-projects/bind9/-/pipelines/112551.
Backport of !6663 (merged)