Update Elasticsearch and Kibana images to version 8.19.4

Author: niemyjski

docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch:8.18.3
+    image: docker.elastic.co/elasticsearch/elasticsearch:8.19.4
     environment:
       discovery.type: single-node
       xpack.security.enabled: 'false'
@@ -19,7 +19,7 @@ services:
     depends_on:
       elasticsearch:
         condition: service_healthy
-    image: docker.elastic.co/kibana/kibana:8.18.3
+    image: docker.elastic.co/kibana/kibana:8.19.4
     ports:
       - 5601:5601
     networks: