v5.1.0

What's Changed

• [BREAKING] backport allow-unsafe-pr-checkout to v5 by @aiqiaoy in #2501
• backport fixes to releases-v5 by @aiqiaoy in #2523

https://github.blog/changelog/2026-06-18-safer-pull_request_target-defaults-for-github-actions-checkout/ for more details about this breaking change

Full Changelog: v5.0.1...v5.1.0