testing/solanum: upgrade to 5.0.0
Rebased two patches, dropping 10-gio-types.patch, as it does not seem necessary anymore: https://gitlab.gnome.org/World/Solanum/-/blob/e47c4525c9428590fc296bcbac608710f299c424/src/window.rs#L224
Rebased two patches, dropping 10-gio-types.patch, as it does not seem necessary anymore: https://gitlab.gnome.org/World/Solanum/-/blob/e47c4525c9428590fc296bcbac608710f299c424/src/window.rs#L224