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

cubicweb_seo/__pkginfo__.py

@@ -13,7 +13,7 @@ author_email = "contact@logilab.fr"
 description = "search engine optimisation with robotstxt and sitemaps"
 web = "https://forge.extranet.logilab.fr/cubicweb/cubes/%s" % distname
 
-__depends__ = {"cubicweb": ">= 3.27.0"}
+__depends__ = {"cubicweb": ">= 3.27.0, < 3.32.0"}
 __recommends__ = {}
 
 classifiers = [