Revert "4.0.0"

[FrederikBolding]

Reverts #1402

Release failed due to out of date yarn.lock, which apparently isn't checked in CI

---

Note

Reverts the 4.0.0 release by downgrading to 3.3.0 and removing 4.0.0 changelog entries.

• Release rollback:
  • Set package.json version back to 3.3.0.
  • Remove 4.0.0 section from CHANGELOG.md and update [Unreleased] compare link to start from v3.3.0.

^{Written by Cursor Bugbot for commit 60d8f85. This will update automatically on new commits. Configure here.}