v2.8.21-canary.18

<!-- Release notes generated using configuration in .github/release.yml at v2.8.21-canary.18 -->

What's Changed

Changelog

• fix: Missing deps after npm lockfile parsing by @anthonyshew in https://github.com/vercel/turborepo/pull/12464

Full Changelog: https://github.com/vercel/turborepo/compare/v2.8.21-canary.17...v2.8.21-canary.18