ci: fail PRs on invalid allowBuilds entries in pnpm-workspace.yaml (#18564)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
eac6ba5ae9Theo Browne committed on 10/12/2026, 7:37:22 AM· committed by GitHubparent8f25cf9
2 files changedLine totals unavailable