v2.9.3-canary.1

<!-- Release notes generated using configuration in .github/release.yml at v2.9.3-canary.1 -->

What's Changed

Changelog

• fix: Update AI-generated response disclaimer to include human attribution by @Copilot in https://github.com/vercel/turborepo/pull/12517
• fix: Preserve shallow install strategy during npm lockfile pruning by @anthonyshew in https://github.com/vercel/turborepo/pull/12520
• fix: Preserve per-workspace lockfiles during pnpm pruning by @anthonyshew in https://github.com/vercel/turborepo/pull/12519

Full Changelog: https://github.com/vercel/turborepo/compare/v2.9.2-canary.4...v2.9.3-canary.1