fix: use psycopg2-binary

cubicweb_saem_ref/__pkginfo__.py

@@ -29,7 +29,7 @@ __depends__ = {
     'isodate': ">=0.6.0,<0.7.0",
     'python-dateutil': ">=2.8.0,<2.9.0",
     'pytz': ">=2021.1.0,<2021.2.0",
-    'psycopg2': ">=2.8.0,<2.9.0",
+    'psycopg2-binary': None,
     'rdflib': ">=5.0.0,<5.1.0",
 }
 __recommends__ = {}