Lock node engine to 20

[andyjoyous]

Summary

Describe what the PR does and how to test. Photos and videos are recommended.

Related tickets and issues

Include links to Linear ticket or Github issue or Community forum post. Important in order to close automatically and provide context to reviewers.

Review / Merge checklist

• PR title and summary are descriptive. Remember, the title automatically goes into the changelog. Use (no-changelog) otherwise. (conventions)
• Docs updated or follow-up ticket created.
• Tests included.

  A bug is not considered fixed, unless a test is added to prevent it from happening again.
  A feature is not complete without tests.