v2.8.21-canary.8

<!-- Release notes generated using configuration in .github/release.yml at v2.8.21-canary.8 -->

What's Changed

Changelog

• fix: Preserve source dependencies when adding workspace deps in turbo-gen by @sleitor in https://github.com/vercel/turborepo/pull/11935
• docs: Add Git history requirements to turbo query affected docs by @anthonyshew in https://github.com/vercel/turborepo/pull/12426
• fix: Prevent horizontal overflow from long inline code on narrow viewports by @anthonyshew in https://github.com/vercel/turborepo/pull/12428

Full Changelog: https://github.com/vercel/turborepo/compare/v2.8.21-canary.7...v2.8.21-canary.8