devel/aphpunit: Update from 2.1 to 2.2
Changelog: * Feature: Terminated Childs are reported as Errors now * Bugfix: Define all nullable Parameter explicitly for full PHP 8.4 compatibility Also change WWW & MASTER_SITES to new home of the project
(cherry picked from commit b7755466d09c0a906cdd68bdaf37a093901e1231)