Finish the CouchDB test matrix

Let's convert this to a proper access handler instead. That would be more flexible. So we need to create a handler and add it to the `handler` array in [the annotation for ReplicationLog](https://github.com/dickolsson/drupal-relaxed/blob/8.x-1.x/src/Entity/ReplicationLog.php#L17).

I suggest that we create a very simple access handler, something very similar to `\Drupal\entity_test\EntityTestAccessControlHandler`. I really like the idea of reusing the `restful put relaxed:local:doc` permission. So we should keep that in this new access handler.