Upgrade kafka clients support version (#6182)

CHANGES.md

@@ -89,6 +89,7 @@ Release Notes.
 * Add documents about the group name of service.
 * Update docs about the latest UI.
 * Update the document of backend trace sampling with the latest configuration.
+* Update kafka plugin support version to 2.6.1.
 
 All issues and pull requests are [here](https://github.com/apache/skywalking/milestone/68?closed=1)
 

docs/en/setup/service-agent/java-agent/Supported-list.md

@@ -57,7 +57,7 @@ metrics based on the tracing data.
   * [Apache CXF](https://github.com/apache/cxf) 3.x
 * MQ
   * [RocketMQ](https://github.com/apache/rocketmq) 4.x
-  * [Kafka](http://kafka.apache.org) 0.11.0.0 -> 1.0
+  * [Kafka](http://kafka.apache.org) 0.11.0.0 -> 2.6.1
   * [Spring-Kafka](https://github.com/spring-projects/spring-kafka) Spring Kafka Consumer 1.3.x -> 2.3.x (2.0.x and 2.1.x not tested and not recommended by [the official document](https://spring.io/projects/spring-kafka))
   * [ActiveMQ](https://github.com/apache/activemq) 5.10.0 -> 5.15.4
   * [RabbitMQ](https://www.rabbitmq.com/) 5.x

test/plugin/scenarios/kafka-scenario/support-version.list

@@ -20,4 +20,6 @@
 2.0.1
 2.1.1
 2.2.1
-2.3.0
\ No newline at end of file
+2.3.0
+2.5.1
+2.6.1
\ No newline at end of file