Update changelog for 2.4.0 release
Update changelog for 2.4.0 release

YunoHost/yunohost-admin,N4rius/yunohost-admin,N4rius/yunohost-admin,N4rius/yunohost-admin,yunohost-bot/yunohost-admin,N4rius/yunohost-admin,YunoHost/yunohost-admin,yunohost-bot/yunohost-admin,yunohost-bot/yunohost-admin