v2.8.8-canary.3

<!-- Release notes generated using configuration in .github/release.yml at v2.8.8-canary.3 -->

What's Changed

Changelog

• fix: Harden token protection with secrecy crate and close exposure gaps by @anthonyshew in https://github.com/vercel/turborepo/pull/11831
• fix: Clean up orphaned Windows child processes on shutdown by @anthonyshew in https://github.com/vercel/turborepo/pull/11829

Full Changelog: https://github.com/vercel/turborepo/compare/v2.8.8-canary.2...v2.8.8-canary.3