Bump `@linearb/gitstream-core` to `2.1.285` by linearbci · Pull Request #539 · linear-b/gitstream-github-action

lb/linearb_ai_review, lb/linearb_ai_description, lb/estimated_time_to_review

Executed on LinearB managed infrastructure
xRequestId: 6abbb4d7-f3c8-4e0b-8141-f9602c9b8b62