general: Use git gtk-rs dependencies
Because of an API change in libadwaita, we need to use the latest version of libadwaita-rs.
Temporarily bundles libadwaita, as the nightly SDK doesn't have a new enough libadwaita because we block the build.
Because of an API change in libadwaita, we need to use the latest version of libadwaita-rs.
Temporarily bundles libadwaita, as the nightly SDK doesn't have a new enough libadwaita because we block the build.