build(deps): bump org.elasticsearch:elasticsearch from 7.17.23 to 8.15.1

Bumps [org.elasticsearch:elasticsearch](https://github.com/elastic/elasticsearch) from 7.17.23 to 8.15.1.
- [Release notes](https://github.com/elastic/elasticsearch/releases)
- [Changelog](https://github.com/elastic/elasticsearch/blob/main/CHANGELOG.md)
- [Commits](elastic/elasticsearch@v7.17.23...v8.15.1)

---
updated-dependencies:
- dependency-name: org.elasticsearch:elasticsearch
  dependency-version: 8.15.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -308,7 +308,7 @@
             <dependency>
                 <groupId>org.elasticsearch</groupId>
                 <artifactId>elasticsearch</artifactId>
-                <version>7.17.23</version>
+                <version>8.15.1</version>
             </dependency>
 
             <dependency>