Commit 1dc068b7f6 for bind

commit 1dc068b7f68e73ca72645ffafae614ccd2854038
Merge: 58fd11d411 da7e7101de
Author: Nicki Křížek <nicki@isc.org>
Date:   Tue Sep 29 16:40:05 2026 +0200

    chg: test: Improve server-less zone handling in isctest.zone.Zone

    Replace the `NO_NS` in favor of `Zone(ns=None)` to make the code more robust and readable.

    Merge branch 'nicki/isctest-zone-optional-ns' into 'main'

    See merge request isc-projects/bind9!12641