Update version numbers for Muzei 2.4.0
Update version numbers for Muzei 2.4.0

romannurik/muzei,ianhanniballake/muzei,ianhanniballake/muzei,romannurik/muzei,ianhanniballake/muzei,romannurik/muzei,ianhanniballake/muzei,romannurik/muzei,romannurik/muzei,ianhanniballake/muzei