feat(setup.py): increase cubicweb max version to 3.34.x

2 jobs for !21 with topic/default/set_cubes_cw_max_version in 2 minutes and 51 seconds (queued for 39 seconds)
latest detached
Status Name Job ID Coverage
  Lint
passed flake8 #382958

00:00:39

 
  Tests
passed py3 #382959

00:02:11