[tox] Update CubicWeb version targets * In -release, no need to specify cubicweb dependency, its pulled by setup.py. * Use 3.22 as -compat. * Point to "default" branch for -dev. Also remove test directory from posargs.

version=3
opts=uversionmangle=s/(rc|a|b|c)/~$1/ \
http://pypi.debian.net/pyramid-cubicweb/pyramid-cubicweb-(.+)\.(?:zip|tgz|tbz|txz|(?:tar\.(?:gz|bz2|xz)))