Role can update the catalog is not support from PG >= 9.5.

We will set rolcatupdate same as rolsuper from the properties query for
PG >= 9.5

web/pgadmin/browser/server_groups/servers/roles/templates/role/js/role.js

@@ -427,7 +427,7 @@ function($, _, S, pgAdmin, pgBrowser, alertify, Backform) {
           options: switchOptions, disabled: 'readonly'
         },{
           id: 'rolcatupdate', label:'{{ _('Update Catalog?') }}',
-          type: 'switch', max_version: 90500, options: switchOptions,
+          type: 'switch', max_version: 90400, options: switchOptions,
           group: '{{ _('Role Privileges') }}', disabled: function(m) {
             return (m.get('read_only') || (!m.get('rolsuper')));
           }

web/pgadmin/browser/server_groups/servers/roles/templates/role/sql/post9_4/properties.sql

@@ -1,5 +1,5 @@
 SELECT
-	r.oid, r.*,
+	r.oid, r.*, r.rolsuper as rolcatupdate,
 	pg_catalog.shobj_description(r.oid, 'pg_authid') AS description,
 	ARRAY(
 		SELECT