Bump `@linearb/gitstream-core` to `2.1.283` by linearbci · Pull Request #537 · linear-b/gitstream-github-action

lb/linearb_ai_review, lb/linearb_ai_description, lb/estimated_time_to_review

Executed on LinearB managed infrastructure
xRequestId: 9f56c736-ad25-4713-9703-0c0fc457612b