Run turbopack integration tests for next.js changes too (#47608)
### What?
Turbopack tests need to run on any change
### Why?
Next.js changes might break turbopack and we want to avoid that.
### How?
Change CI job
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Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>