[pyramid] Retrieve user's groups using a custom RQL instead of user's groups property
With cubicweb 3.24, user.groups is set lazily and so retrieving it at this point
will cause a traceback because the connection is not yet entered.
Also, user doesn't accept anymore groups and properties arguments.
version=3
opts=uversionmangle=s/(rc|a|b|c)/~$1/ \
https://pypi.debian.net/cubicweb/cubicweb-(.+)\.(?:zip|tgz|tbz|txz|(?:tar\.(?:gz|bz2|xz)))