kafka version correction (update to kafka_2.13-2.6.0)

Author: DenysDi

_includes/templates/install/ubuntu-queue-kafka.md

@@ -14,11 +14,11 @@ sudo apt-get install zookeeper
 ##### Install Kafka
 
 ```text
-wget http://www-us.apache.org/dist/kafka/2.3.0/kafka_2.12-2.3.0.tgz
+wget https://archive.apache.org/dist/kafka/2.6.0/kafka_2.13-2.6.0.tgz
 
-tar xzf kafka_2.12-2.3.0.tgz
+tar xzf kafka_2.13-2.6.0.tgz
 
-sudo mv kafka_2.12-2.3.0 /usr/local/kafka
+sudo mv kafka_2.13-2.6.0 /usr/local/kafka
 ```
 {: .copy-code}