Checkmk Werk 15884: activate_changes: If-Match header now required on the activate changes endpoint

ID: 15884 Title: activate_changes: If-Match header now required on the activate changes endpoint Component: REST API Level: 1 Class: New feature Version: 2.3.0b1 The werk introduces the etag If-Match policy on the activate changes endpoint. The user can locate the ETag in the response headers of the "list pending changes" endpoint. In cases where clients don't want to first call this endpoint, the option to send If-Match: * is also possible.