[2.3.0] Checkmk Werk 16155 deleted: rule_notifications: allow 3rd party plugins via the REST-API

Werk 16155 was deleted. The following Werk is no longer relevant. Title: rule_notifications: allow 3rd party plugins via the REST-API Class: fix Compatible: compat Component: rest-api Date: 1696857473 Edition: cre Knowledge: doc Level: 1 Version: 2.3.0b1 This werk introduces a fix that allows rule notifications to use 3rd party / custom plugins.