chore(deps): update docker.elastic.co/elasticsearch/elasticsearch docker tag to v9

Author: renovate[bot]

aws-cloudwatch-project/docker/docker-compose-elk.yml

@@ -2,7 +2,7 @@ version: '3.8'
 services:
 
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch:8.18.2
+    image: docker.elastic.co/elasticsearch/elasticsearch:9.0.3
     container_name: elasticsearch
     environment:
       - cluster.name=docker-cluster