chore: Refactor "internal" contributors in ross index to include `owner` and `collaborator`

[jpmcb]

In this query:

https://github.com/open-sauced/api/blob/4bd56ce85715be3f879103e1f679543565065980/src/timescale/pull_request_github_events.service.ts#L520

we only select for members of orgs: we should also select for "collaborators" and "owners"