Update docker.elastic.co/elasticsearch/elasticsearch Docker tag to v9.2.2 (#179)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

intro-to-spring-boot/docker-compose.yml

@@ -3,7 +3,7 @@ version: '3.8'
 services:
 
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch:9.2.1
+    image: docker.elastic.co/elasticsearch/elasticsearch:9.2.2
     container_name: elasticsearch
     environment:
       - discovery.type=single-node