rsvg warnings when building
../../../../../../../../../Projects/gnome-games/src/ui/gamepad-view.vala:19.21-19.32: warning: Rsvg.Handle.width has been deprecated since 2.46.
../../../../../../../../../Projects/gnome-games/src/ui/gamepad-view.vala:19.35-19.47: warning: Rsvg.Handle.height has been deprecated since 2.46.
../../../../../../../../../Projects/gnome-games/src/ui/gamepad-view.vala:88.27-88.39: warning: Rsvg.Handle.height has been deprecated since 2.46.
../../../../../../../../../Projects/gnome-games/src/ui/gamepad-view.vala:88.46-88.57: warning: Rsvg.Handle.width has been deprecated since 2.46.
../../../../../../../../../Projects/gnome-games/src/ui/gamepad-view.vala:90.12-90.23: warning: Rsvg.Handle.width has been deprecated since 2.46.
../../../../../../../../../Projects/gnome-games/src/ui/gamepad-view.vala:91.12-91.24: warning: Rsvg.Handle.height has been deprecated since 2.46.
rsvg docs say to use rsvg_handle_get_geometry_sub()
instead, which means https://valadoc.org/librsvg-2.0/Rsvg.Handle.get_geometry_sub.html for us.