feat(setup.py): increase cubicweb max version to 3.33.x

5 jobs for !23 with topic/default/set_cubes_cw_max_version in 5 minutes and 28 seconds (queued for 8 minutes and 10 seconds)
latest detached
Status Job ID Name Coverage
  Lint
passed check-manifest #382384

00:00:33

passed flake8 #382383

00:00:31

 
  Tests
passed py27 #383484

00:01:00

passed py3 #382386

00:03:23

failed py27 #382385

00:03:17