Control: bump gala dep to 8.0.0

Author: danirabbit

debian/control

@@ -19,7 +19,7 @@ Homepage: https://github.com/elementary/switchboard-plug-keyboard
 
 Package: io.elementary.settings.keyboard
 Architecture: any
-Depends: gala,
+Depends: gala (>= 8.0.0),
          ibus,
          xkb-data,
          onboard,