dns/bind918: upgrade to 9.18.11
Security: CVE-2022-3094 CVE-2022-3736 CVE-2022-3924
Changes: https://downloads.isc.org/isc/bind9/9.18.11/doc/arm/html/notes.html#notes-for-bind-9-18-11
(cherry picked from commit 060654348bd92d7147bcbd6dd524812603b086bb)