Update to Elasticsearch 7.17.1

Author: olivere

docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch:${VERSION:-7.16.2}
+    image: docker.elastic.co/elasticsearch/elasticsearch:${VERSION:-7.17.1}
     hostname: elasticsearch
     environment:
       - cluster.name=elasticsearch
@@ -28,7 +28,7 @@ services:
     ports:
       - 9200:9200
   platinum:
-    image: docker.elastic.co/elasticsearch/elasticsearch:${VERSION:-7.16.2}
+    image: docker.elastic.co/elasticsearch/elasticsearch:${VERSION:-7.17.1}
     hostname: elasticsearch-platinum
     environment:
       - cluster.name=platinum