Update elasticsearch requirement from 15.3.0 to 15.3.1 (#4085)

Updates the requirements on [elasticsearch](https://github.com/elastic/elasticsearch-js) to permit the latest version.
- [Release notes](https://github.com/elastic/elasticsearch-js/releases)
- [Changelog](https://github.com/elastic/elasticsearch-js/blob/v15.3.1/docs/changelog.asciidoc)
- [Commits](https://github.com/elastic/elasticsearch-js/commits/v15.3.1

)

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