Allow renaming of the sudorule objects

The recent changes allow the sudorule objects to be renamed.

https://pagure.io/freeipa/issue/2466

Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
Reviewed-By: Jan Cholasta <jcholast@redhat.com>
Reviewed-By: Martin Basti <mbasti@redhat.com>

ipaserver/plugins/sudorule.py

@@ -145,6 +145,7 @@ class sudorule(LDAPObject):
     ]
     uuid_attribute = 'ipauniqueid'
     rdn_attribute = 'ipauniqueid'
+    allow_rename = True
     attribute_members = {
         'memberuser': ['user', 'group'],
         'memberhost': ['host', 'hostgroup'],