Update dependency elasticsearch to v7.17.11

Author: renovate[bot]

docker/estenrye/fluentd-cloudtrail/Gemfile

@@ -20,6 +20,6 @@ gem "fluent-plugin-s3", "= 1.7.1"
 
 gem "fluent-plugin-elasticsearch", "= 5.2.4"
 
-gem "elasticsearch", "= 7.17.1"
+gem "elasticsearch", "= 7.17.11"
 
 gem "fluent-plugin-record_splitter", "= 0.2.1"