Bump co.elastic.clients:elasticsearch-java

Bumps [co.elastic.clients:elasticsearch-java](https://github.com/elastic/elasticsearch-java) from 8.15.2 to 8.15.3.
- [Release notes](https://github.com/elastic/elasticsearch-java/releases)
- [Changelog](https://github.com/elastic/elasticsearch-java/blob/main/CHANGELOG.md)
- [Commits](elastic/elasticsearch-java@v8.15.2...v8.15.3)

---
updated-dependencies:
- dependency-name: co.elastic.clients:elasticsearch-java
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

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>8.15.2</elastic.version>
+    <elastic.version>8.15.3</elastic.version>
 
   </properties>