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

cubicweb_celerytask/__pkginfo__.py

@@ -15,7 +15,7 @@ description = 'Run and monitor celery tasks'
 web = 'https://forge.extranet.logilab.fr/cubicweb/cubes/%s' % distname
 
 __depends__ = {
-    'cubicweb': '>= 3.26.18',
+    'cubicweb': ">= 3.26.18, < 3.32.0",
     'six': '>= 1.4.0',
     'celery': '>=4,<5',
     'cw-celerytask-helpers': '>= 0.11.0',