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

3 jobs for branch/default in 2 minutes and 28 seconds (queued for 23 minutes and 31 seconds)
Status Name Job ID Coverage
  Lint
passed check-manifest #425567

00:00:35

passed flake8 #425566

00:00:56

 
  Tests
passed py3 #425568

00:01:31