v2.8.17-canary.15

<!-- Release notes generated using configuration in .github/release.yml at v2.8.17-canary.15 -->

What's Changed

Changelog

• fix: Fix non-deterministic hashOfExternalDependencies with Bun lockfiles by @anthonyshew in https://github.com/vercel/turborepo/pull/12279

Full Changelog: https://github.com/vercel/turborepo/compare/v2.8.17-canary.14...v2.8.17-canary.15