Announce deprecation of 'auto-dnssec'.
+6024. [func] Deprecate 'auto-dnssec'. [GL #3667]
+
6023. [func] Remove dynamic update DNSSEC management feature.
[GL #3686]
settings that required different values based on "workload" have been either
removed or a sensible default has been picked. :gl:`#3664`
+- The option :any:`auto-dnssec` is deprecated and will be removed in 9.19.
+ Please migrate to :any:`dnssec-policy`. :gl:`#3667`
+
- Deprecate setting the operating system limit (``coresize``, ``datasize``,
``files`` and ``stacksize``) from ``named.conf``. These options should be set
from the operating system (``ulimit``) or from the process supervisor