As a follow-up to #2548 we want to be consistent with the expectations and automations for component owners. This issue is for: - [x] Add expectations for js-contrib-triager role - [ ] Confirm current [codeowners](https://github.com/open-telemetry/opentelemetry-js-contrib/blob/main/.github/component_owners.yml) are members of OTel org - [ ] Add codeowners to js-contrib-triager role