OZG-7303: Try host.docker.internal

ozgcloud-elasticsearch-operator/src/test/java/de/ozgcloud/operator/common/elasticsearch/ElasticsearchTestClient.java

@@ -57,7 +57,7 @@ public class ElasticsearchTestClient {
 	}
 	
 	private static RestClient buildRestClient() {
-		var host = new HttpHost("localhost", ELASTICSEARCH_CONTAINER.getMappedPort(PORT), SCHEME);
+		var host = new HttpHost("host.docker.internal", ELASTICSEARCH_CONTAINER.getMappedPort(PORT), SCHEME);
 		var credentialsProvider = buildCredentialsProvider();
 		var builder = RestClient.builder(host);