[Kafka] Address issue related to broken dashboards in Kafka for 8.13.x stack users (elastic#15815)

* Updated changelog

* Updated PR link

* Added PR link, updated images, removed old dashboard files

Author: agithomas

packages/kafka/changelog.yml

@@ -1,4 +1,10 @@
 # newer versions go on top
+
+- version: "1.25.1"
+  changes:
+    - description: Fix issue preventing dashboards from loading in Elasticsearch stack version 8.13.x.
+      type: bugfix
+      link: https://github.com/elastic/integrations/pull/15815
 - version: "1.25.0"
   changes:
     - description: Add dashboards for consumer and producer datastreams.