Checkmk Werk 13930: adjust Rule response format in REST API

ID: 13930 Title: adjust Rule response format in REST API Component: Core & setup Level: 1 Class: Bug fix Version: 2.2.0i1 The response of the Rule object has been changed from singular to plural in some cases. Concretely, the following fields have been changed: * host_tag -> host_tags * host_label -> host_labels * service_label -> service_labels If you use statically typed language, you may have to recompile your auto generated API client.