Update ELK images

elasticsearch:
- https://github.com/docker-library/elasticsearch/commit/d824442: Update to 7.3.2

logstash:
- https://github.com/docker-library/logstash/commit/7ad2c52: Update to 7.3.2

kibana:
- https://github.com/docker-library/kibana/commit/dd8f0a5: Update to 7.3.2

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: 7.3.1
-GitCommit: 4c895ab3753726b22c25f03b17155d84c14d8931
+Tags: 7.3.2
+GitCommit: d8244424114ad7e68fe74fa4822580c756ea6180
 Directory: 7
 
 Tags: 6.8.3

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: 7.3.1
-GitCommit: 644633fee0f4c15e9bbbd2c1cdb00e5c1a8f7ffc
+Tags: 7.3.2
+GitCommit: dd8f0a5007fbbc7009a6598c313e4ea8af38b98a
 Directory: 7
 
 Tags: 6.8.3

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: 7.3.1
-GitCommit: 040afba995876cf26184ef0036b89c65df200971
+Tags: 7.3.2
+GitCommit: 7ad2c52468525c679e6207deded1bd4150b6cbf1
 Directory: 7
 
 Tags: 6.8.3