chore(deps): bump @opentelemetry/core from 1.15.0 to 1.15.1 (elastic#…

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Bumps [@opentelemetry/core](https://github.com/open-telemetry/opentelemetry-js) from 1.15.0 to 1.15.1.
- [Release notes](https://github.com/open-telemetry/opentelemetry-js/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-js/blob/main/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-js@v1.15.0...v1.15.1)