v2.8.12-canary.1

<!-- Release notes generated using configuration in .github/release.yml at v2.8.12-canary.1 -->

What's Changed

Changelog

• chore: Reduce compile times by deduplicating thiserror and itertools by @anthonyshew in https://github.com/vercel/turborepo/pull/12000

Full Changelog: https://github.com/vercel/turborepo/compare/v2.8.11...v2.8.12-canary.1