bump utils to 13.0.1

brings in a fix to InvalidEmail/Phone/AddressExceptions not being
instantiated correctly. `exception.message` is not a python standard,
so we shouldn't be relying on it to transmit exception reasons -
rather we should be using `str(exception)` instead. This involved a
handful of small changes to the schema validation

tests/app/user/test_rest.py

@@ -475,7 +475,7 @@ def test_send_user_reset_password_should_return_400_when_data_is_not_email_addre
         headers=[('Content-Type', 'application/json'), auth_header])
 
     assert resp.status_code == 400
-    assert json.loads(resp.get_data(as_text=True))['message'] == {'email': ['Not a valid email address.']}
+    assert json.loads(resp.get_data(as_text=True))['message'] == {'email': ['Not a valid email address']}
     assert mocked.call_count == 0