adblock: update 4.1.4

 adblock: update 4.1.4

* dnsmasq upstream has changed the code for domain handling
  and recommends the 'local' syntax for large blocklists
* remove pipefail command, see #19043 for reference
* removed the unused 'adb_dnsinotify' parameter
* removed the 'adb_maxqueue' parameter,
  the queue size will be automatically set by the number of cpu cores
* various cleanups, mostly shellcheck related

Signed-off-by: Dirk Brenken <redacted>