
Use gnomeos-build-sysext CI/CD component to build a system extension for gnome-shell. This is part of on-going efforts discussed here [1]. [1] https://discourse.gnome.org/t/towards-a-better-way-to-hack-and-test-your-system-components/21075 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3390>