next.js

4ec555e1 - run validation logic for TURBOPACK too (#55379)

run validation logic for TURBOPACK too (#55379) ### What? TURBOPACK=1 should behave like `--turbo` Closes WEB-1560 Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>