v2.8.17-canary.7

<!-- Release notes generated using configuration in .github/release.yml at v2.8.17-canary.7 -->

What's Changed

create-turbo

• fix: Improve create-turbo connectivity check and offline error messages by @anthonyshew in https://github.com/vercel/turborepo/pull/12257

Full Changelog: https://github.com/vercel/turborepo/compare/v2.8.17-canary.6...v2.8.17-canary.7