[pkg] Set version to 3.22.2.dev0
So that cubes used in test dependencies do not install a released CubicWeb.
from cubicweb.predicates import is_instance
from cubicweb.hooks import notification
class FolderUpdateHook(notification.EntityUpdateHook):
__select__ = (notification.EntityUpdateHook.__select__ &
is_instance('Folder'))
order = 100 # late trigger so that metadata hooks come before.