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

| datasource | package                                       | from   | to    |
| ---------- | --------------------------------------------- | ------ | ----- |
| docker     | docker.elastic.co/elasticsearch/elasticsearch | 8.19.6 | 9.2.0 |

Author: renovate[bot]

generic/kubernetes/operator-based/elasticsearch/elasticsearch-cluster.yml

@@ -5,7 +5,7 @@ metadata:
     name: elasticsearch
 spec:
     # renovate: datasource=docker depName=docker.elastic.co/elasticsearch/elasticsearch
-    version: 8.19.6
+    version: 9.2.0
     http:
         tls:
             selfSignedCertificate: