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

2 jobs for !28 with topic/default/set_cubes_cw_max_version in 1 minute and 19 seconds (queued for 5 seconds)
latest detached
Status Name Job ID Coverage
  Lint
passed check-manifest #464201
lint check-manifest

00:00:26

 
  Tests
passed py3 #464202
tests py3

00:01:17