turbopack: pass ENV vars to route handlers (#48048)
Same as https://github.com/vercel/next.js/pull/47767, we need to pass
the full list of `process.env` keys to the edge invocation so that the
ENV vars are available to the route handlers.
Fixes https://github.com/vercel/turbo/issues/4489
Fixes https://github.com/vercel/next.js/issues/48036
Fixes WEB-869
Fixes NEXT-961
fix #48036
Co-authored-by: JJ Kasper <jj@jjsweb.site>