Bump elasticsearch-dsl from 8.15.2 to 8.15.3 in /docker/elasticsearch (…

…#32363)

Bumps [elasticsearch-dsl](https://github.com/elasticsearch/elasticsearch-dsl-py) from 8.15.2 to 8.15.3.
- [Release notes](https://github.com/elasticsearch/elasticsearch-dsl-py/releases)
- [Changelog](https://github.com/elastic/elasticsearch-dsl-py/blob/main/Changelog.rst)
- [Commits](elastic/elasticsearch-dsl-py@v8.15.2...v8.15.3)

---
updated-dependencies:
- dependency-name: elasticsearch-dsl
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>