devel/poser: update to 1.2.2 and undeprecate
Port is maintained upstream, contrary to deprecation notice.
Take maintainership while we are at it.
Changelog: https://github.com/Zirias/poser/releases/tag/v1.2.2
MFH: 2025Q4
(cherry picked from commit b56b6168474878098d90e86235b1ff0321892269)