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

3 jobs for !39 with topic/default/set_cubes_cw_max_version in 6 minutes and 52 seconds (queued for 5 minutes and 32 seconds)
latest detached
Status Job ID Name Coverage
  Lint
passed check-manifest #382308

00:03:18

passed flake8 #382307

00:00:39

 
  Tests
passed py3 #382309

00:03:32