[docker] Update docker.elastic.co/elasticsearch/elasticsearch Docker tag to v9

Author: renovate[bot]

docker-compose.yml

@@ -91,7 +91,7 @@ services:
       timeout: 5s
       retries: 5
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch:8.19.16
+    image: docker.elastic.co/elasticsearch/elasticsearch:9.4.3
     volumes:
       - esdata:/usr/share/elasticsearch/data
     environment: