www/webtrees22: Update 2.2.5 => 2.2.6
Release Notes:
https://webtrees.net/blog/2026/04/29/new-webtrees-release-2-2-6.html
Commit log:
https://github.com/fisharebest/webtrees/compare/2.2.5...2.2.6
PR: 294974
Reported by: Krzysztof <ports@bsdserwis.com> (maintainer)
Approved by: vvd (co-mentor)
MFH: 2026Q2