build(deps): bump @elastic/elasticsearch from 8.13.1 to 8.15.0

Bumps [@elastic/elasticsearch](https://github.com/elastic/elasticsearch-js) from 8.13.1 to 8.15.0.
- [Release notes](https://github.com/elastic/elasticsearch-js/releases)
- [Changelog](https://github.com/elastic/elasticsearch-js/blob/main/docs/changelog.asciidoc)
- [Commits](elastic/elasticsearch-js@v8.13.1...v8.15.0)

---
updated-dependencies:
- dependency-name: "@elastic/elasticsearch"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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