Changed ES-Stack from 7.9.0 to 7.9.2

Author: Chris Wiechmann

env-sample

@@ -228,7 +228,7 @@ ELASTICSEARCH_CLUSTERNAME=axway-apim-elasticsearch
 # ----------------------------------------------------------------------------------------------
 # Define the version of the Elastic-Stack to use. Based on this version Docker images are pulled
 # Used-By: Elasticsearch, Filebeat, Kibana, Logstash
-ELASTIC_VERSION=7.9.0
+ELASTIC_VERSION=7.9.2
 
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 #                         Certificates and Certificate authorities