ci: push a remove-stale-strings only if there are some non-whitespace changes
ci: push a remove-stale-strings only if there are some non-whitespace changes

YunoHost/yunohost,YunoHost/moulinette-yunohost,YunoHost/yunohost,YunoHost/moulinette-yunohost,YunoHost/yunohost,YunoHost/moulinette-yunohost,YunoHost/moulinette-yunohost,YunoHost/yunohost,YunoHost/moulinette-yunohost