www/kiwix-tools: Update version 3.1.2=>3.5.0

• Dependent LIBRARY has been renamed so committing without MAINTAINER approval and this also fixes build on 14 with newer libkiwix library

Changelog: https://github.com/kiwix/kiwix-tools/releases/tag/3.5.0

PR: 271650
Approved by: portmgr (blanket)