v2.8.18-canary.4

<!-- Release notes generated using configuration in .github/release.yml at v2.8.18-canary.4 -->

What's Changed

Changelog

• feat: Initialize turborepo-log in turbo watch by @anthonyshew in https://github.com/vercel/turborepo/pull/12298
• fix: Resolve git diff warning in fresh repos and make SCM state lazy by @anthonyshew in https://github.com/vercel/turborepo/pull/12300

Full Changelog: https://github.com/vercel/turborepo/compare/v2.8.18-canary.3...v2.8.18-canary.4