package/bind: bump to version 9.16.26

BIND 9.11 EOL in March, 2022. BIND 9.16 is current Stable/ESV version.

Changes:
* libuv (new dependency)
* openssl is now mandatory
* zlib must be detected with PKG_CONFIG_PATH (specifying zlib
  installation path is not supported)
* bind9-config and isc-config.sh removed
* updated COPYRIGHT hash

Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>