Update kafka docs (#15882)

* update kafka docs * update PR id in changelog * docs fix

Author: stefans-elastic

packages/kafka/_dev/build/docs/README.md

@@ -6,7 +6,7 @@ This integration collects logs and metrics from [Kafka](https://kafka.apache.org
 
 The `log` dataset is tested with logs from Kafka 0.9, 1.1.0 and 2.0.0.
 
-The `broker`, `consumergroup`, `partition` datastreams are tested with Kafka 0.10.2.1, 1.1.0, 2.1.1, 2.2.2 and 3.6.0.
+The `broker`, `consumergroup`, `partition` datastreams are tested with Kafka 0.10.2.1, 1.1.0, 2.1.1, 2.2.2 ,3.6.0, 4.0.0. If you are on any earlier 9.1.x release, you must upgrade to 9.1.3 for Kafka 4.0.0 support.
 
 The `broker`, `consumer`, `controller`, `jvm`, `log_manager`, `network`, `producer`, `raft`, `replica_manager`, `topic` metricsets require Jolokia to fetch JMX metrics. Refer to the `How do I deploy this integration?` section below for more information.
 

packages/kafka/changelog.yml

@@ -1,5 +1,9 @@
 # newer versions go on top
-
+- version: "1.26.0"
+ changes:
+ - description: Bump Kibana version, update documentation.
+ type: enhancement
+ link: https://github.com/elastic/integrations/pull/15882
 - version: "1.25.1"
  changes:
  - description: Fix issue preventing dashboards from loading in Elasticsearch stack version 8.13.x.

packages/kafka/docs/README.md

@@ -6,7 +6,7 @@ This integration collects logs and metrics from [Kafka](https://kafka.apache.org
 
 The `log` dataset is tested with logs from Kafka 0.9, 1.1.0 and 2.0.0.
 
-The `broker`, `consumergroup`, `partition` datastreams are tested with Kafka 0.10.2.1, 1.1.0, 2.1.1, 2.2.2 and 3.6.0.
+The `broker`, `consumergroup`, `partition` datastreams are tested with Kafka 0.10.2.1, 1.1.0, 2.1.1, 2.2.2 ,3.6.0, 4.0.0. If you are on any earlier 9.1.x release, you must upgrade to 9.1.3 for Kafka 4.0.0 support.
 
 The `broker`, `consumer`, `controller`, `jvm`, `log_manager`, `network`, `producer`, `raft`, `replica_manager`, `topic` metricsets require Jolokia to fetch JMX metrics. Refer to the `How do I deploy this integration?` section below for more information.
 

packages/kafka/manifest.yml

@@ -1,15 +1,15 @@
 format_version: "3.0.2"
 name: kafka
 title: Kafka
-version: "1.25.1"
+version: "1.26.0"
 description: Collect logs and metrics from Kafka servers with Elastic Agent.
 type: integration
 categories:
  - stream_processing
  - observability
 conditions:
  kibana:
- version: "^8.13.0 || ^9.0.0"
+ version: "^8.19.6 || ^9.0.6"
  elastic:
  subscription: basic
 screenshots: