bind: apply atomics to refcount patch

Upstream added a commit [1] right after the release that fixes the
aarch64 atomic operation linker issue we have been seeing [2].

[1] https://gitlab.isc.org/isc-projects/bind9/commit/d72f436b7d7c697b262968c48c2d7643069ab17f
[2] https://github.com/NixOS/nixpkgs/issues/60301#issue-437896459