bind: upgrade 9.18.15 -> 9.18.16

Remove enable-epoll & disable-devpoll configure options no longer supported in bind-9.18.16
    6b6076c882: Remove obsolete epoll/kqueue/devpoll configure options

Security fixes:
https://nvd.nist.gov/vuln/detail/CVE-2023-2828
https://nvd.nist.gov/vuln/detail/CVE-2023-2911

Changelog:
https://github.com/isc-projects/bind9/blob/v9.18.16/CHANGES
https://bind9.readthedocs.io/en/v9.18.16/notes.html#notes-for-bind-9-18-16



Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>