Add a longer delay to ingress replace test

We are still having problems with the namespace not shutting down
before starting the next test and therefore Kopf resuming management
of residual objects. Until that's fixed properly, increase the delay
for test_replace in the hope that things will sort themselves out if
we give them a bit more time.

tests/operator/ingress_test.py

@@ -57,7 +57,7 @@ async def test_replace(
 
     with operator_running("gafaelfawr.operator"):
         await create_custom_resources(api_client, [ingress])
-        await asyncio.sleep(1)
+        await asyncio.sleep(2)
 
         await assert_resources_match(api_client, [expected])
         status = KubernetesResourceStatus(