Compatibility with python 3.13 (#3246)

- fix unit tests (logging now uses time.time_ns() instead of time.time())
- update setup.py
- update tox.ini
- enable unix and behave tests with 3.13

Close https://github.com/patroni/patroni/issues/3243

tests/test_consul.py

@@ -196,7 +196,8 @@ class TestConsul(unittest.TestCase):
                 self.assertTrue(self.c.update_leader(cluster, 12345, failsafe={'foo': 'bar'}))
             with patch.object(KV, 'put', Mock(side_effect=ConsulException)):
                 self.assertFalse(self.c.update_leader(cluster, 12345))
-            with patch('time.time', Mock(side_effect=[0, 0, 0, 0, 100, 200, 300])):
+            mock_time = Mock(side_effect=[0, 0, 0, 0, 100, 200, 300])
+            with patch('time.time', mock_time), patch('time.time_ns', mock_time):
                 self.assertRaises(ConsulError, self.c.update_leader, cluster, 12345)
         with patch('time.time', Mock(side_effect=[0, 100, 200, 300])):
             self.assertRaises(ConsulError, self.c.update_leader, cluster, 12345)

tests/test_kubernetes.py

@@ -425,7 +425,8 @@ class TestKubernetesEndpoints(BaseTestKubernetes):
         mock_patch.side_effect = [k8s_client.rest.ApiException(409, ''),
                                   k8s_client.rest.ApiException(409, ''), mock_namespaced_kind()]
         mock_read.return_value.metadata.resource_version = '2'
-        with patch('time.time', Mock(side_effect=[0, 0, 100, 200, 0, 0, 0, 0, 0, 100, 200])):
+        mock_time = Mock(side_effect=[0, 0, 100, 200, 0, 0, 0, 0, 0, 100, 200])
+        with patch('time.time', mock_time), patch('time.time_ns', mock_time):
             self.assertFalse(self.k.update_leader(cluster, '123'))
             self.assertFalse(self.k.update_leader(cluster, '123'))
         mock_patch.side_effect = k8s_client.rest.ApiException(409, '')