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

4 jobs for !23 with topic/default/set_cubes_cw_max_version in 7 minutes and 19 seconds (queued for 7 seconds)
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Status Name Job ID Coverage
  Lint
passed check-manifest #382054

00:00:30

passed flake8 #382053

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  Tests
passed py27 #382055

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passed py3 #382056

00:01:01