ChunkingContext refactor pt. 1 (#47693)
This is the Next.js side of https://github.com/vercel/turbo/pull/4397
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Co-authored-by: Tobias Koppers <tobias.koppers@googlemail.com>
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
