[Buildroot] [PATCH 1/2] package/bind: bump version to 9.11.25

[Petr Vorel]

Hi,

> Release notes:
> https://ftp.isc.org/isc/bind9/9.11.25/RELEASE-NOTES-bind-9.11.25.html

Reviewed-by: Petr Vorel <petr.vorel at gmail.com>

Kind regards,
Petr