Bump `@linearb/gitstream-core` to `2.1.290` by linearbci · Pull Request #543 · linear-b/gitstream-github-action

lb/linearb_ai_review, lb/linearb_ai_description, lb/estimated_time_to_review

Executed on LinearB managed infrastructure
xRequestId: f1f041e9-4c4d-4ad5-bedc-b9e2d020984b