v4.0.9

What's Changed

🔒 Security

• A-1975: Redact Buildkite tokens by prefix in job logs by @zhming0 in #4425

🐛 Fixed

• A-1915: Close the job log tmpfile once the job is done, not when the process exits by @zhming0 in #4422

🏠 Internal

• Make the release skill use semver more effectively by @moskyb in #4428

Full Changelog: v4.0.8...v4.0.9