v2.8.15-canary.8

<!-- Release notes generated using configuration in .github/release.yml at v2.8.15-canary.8 -->

What's Changed

Changelog

• perf: Reuse input hashes and trim pnpm lockfile allocations by @anthonyshew in https://github.com/vercel/turborepo/pull/12199
• docs: Improve Oxc tooling guide for type-aware linting and fix race conditions by @anthonyshew in https://github.com/vercel/turborepo/pull/12200

Full Changelog: https://github.com/vercel/turborepo/compare/v2.8.15-canary.7...v2.8.15-canary.8