www/dokuwiki: upgrade to 2026-07-14c
PR: ports/298171
(cherry picked from commit b4008cd0e79bf1629d152b1d0bc954a32a33bbf9)
(cherry picked from commit e5f699af3da31c8b28f023226899e5b2cf569dd2)
(cherry picked from commit 3804db80e125ee8ffef556c91562fe551d63f345)