* Flatten undefined properties correctly (#2276)

* chore: Update version for release (v4-beta)

* Release 4.0.0-v4-beta.23

---------

Co-authored-by: Eric Allam <eric@trigger.dev>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Matt Aitken <matt@mattaitken.com>