Update ELK images

elasticsearch:
- https://github.com/docker-library/elasticsearch/commit/99f4e92: Update to 7.1.1

logstash:
- https://github.com/docker-library/logstash/commit/a1c5be3: Update to 7.1.1

kibana:
- https://github.com/docker-library/kibana/commit/9267a8b: Update to 7.1.1

library/elasticsearch

@@ -4,8 +4,8 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/elasticsearch.git
 
-Tags: 7.1.0
-GitCommit: 12a84c5948d598a1a44014d4a0b2408947120c20
+Tags: 7.1.1
+GitCommit: 99f4e9224b542a9810394c8628977795754c70c3
 Directory: 7
 
 Tags: 6.8.0

library/kibana

@@ -4,8 +4,8 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/kibana.git
 
-Tags: 7.1.0
-GitCommit: 15b2cb7335feb719ebcd725558557033479ee837
+Tags: 7.1.1
+GitCommit: 9267a8b724579791a9ad4a20fd816f03f64e9b64
 Directory: 7
 
 Tags: 6.8.0

library/logstash

@@ -4,8 +4,8 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/logstash.git
 
-Tags: 7.1.0
-GitCommit: e377a4eb13e5e54a613de35ce310bcf0d3942d44
+Tags: 7.1.1
+GitCommit: a1c5be368f33e304c843d497b64f8e574e29bf3c
 Directory: 7
 
 Tags: 6.8.0