add es version to annotation

salt/elasticsearch/soc_elasticsearch.yaml

@@ -2,6 +2,11 @@ elasticsearch:
   enabled:
     description: You can enable or disable Elasticsearch.
     helpLink: elasticsearch.html
+  version:
+    description: The version of Elasticsearch
+    readonly: True
+    global: True
+    advanced: True
   esheap:
     description: Specify the memory heap size in (m)egabytes for Elasticsearch.
     helpLink: elasticsearch.html