update(elastic-vector-store) Update docker image to 8.16.1

Author: tzolov

spring-ai-spring-boot-autoconfigure/src/test/java/org/springframework/ai/autoconfigure/vectorstore/elasticsearch/ElasticsearchVectorStoreAutoConfigurationIT.java

@@ -55,7 +55,7 @@ class ElasticsearchVectorStoreAutoConfigurationIT {
 
 	@Container
 	private static final ElasticsearchContainer elasticsearchContainer = new ElasticsearchContainer(
-			"docker.elastic.co/elasticsearch/elasticsearch:8.12.2")
+			"docker.elastic.co/elasticsearch/elasticsearch:8.16.1")
 		.withEnv("xpack.security.enabled", "false");
 
 	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()

vector-stores/spring-ai-elasticsearch-store/src/test/java/org/springframework/ai/vectorstore/ElasticsearchImage.java

@@ -24,7 +24,7 @@
 public final class ElasticsearchImage {
 
 	public static final DockerImageName DEFAULT_IMAGE = DockerImageName
-		.parse("docker.elastic.co/elasticsearch/elasticsearch:8.15.2");
+		.parse("docker.elastic.co/elasticsearch/elasticsearch:8.16.1");
 
 	private ElasticsearchImage() {