Update co.elastic.clients:elasticsearch-java to version 9.1.5 (#3949)

Author: asf-rm

log4j-layout-template-json-test/pom.xml

@@ -48,7 +48,7 @@
          2. The Docker image version of the ELK-stack
 
          As of 2024-09-16, these all (Maven artifacts and Elastic products) get released with the same version. -->
-    <elastic.version>9.1.3</elastic.version>
+    <elastic.version>9.1.5</elastic.version>
 
   </properties>
 

src/changelog/.2.x.x/update_co_elastic_clients_elasticsearch_java.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<entry xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns="https://logging.apache.org/xml/ns"
+       xsi:schemaLocation="https://logging.apache.org/xml/ns https://logging.apache.org/xml/ns/log4j-changelog-0.xsd"
+       type="updated">
+  <issue id="3949" link="https://github.com/apache/logging-log4j2/pull/3949"/>
+  <description format="asciidoc">Update `co.elastic.clients:elasticsearch-java` to version `9.1.5`</description>
+</entry>