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

3 jobs for !42 with topic/default/set_cubes_cw_max_version in 2 minutes and 42 seconds (queued for 3 minutes and 33 seconds)
latest detached
Status Name Job ID Coverage
  Lint
passed check-manifest #459939
lint check-manifest

00:00:21

passed flake8 #459938
lint flake8

00:01:14

 
  Tests
passed py3 #459940
tests py3

00:01:28