[PRQ#59557] Merge Request for vala-panel-sntray

MarsSeed [1] filed a request to merge vala-panel-sntray [2] into vala- panel [3]: The separate sntray repo is EOL and archived since 2 years ago. [a] Upstream has migrated the StatusNotifier implementations into the main vala-panel runtime. [a]: https://gitlab.com/vala-panel-project/xfce4-sntray-plugin [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/vala-panel-sntray/ [3] https://aur.archlinux.org/pkgbase/vala-panel/