CUMULUS-3736 - Backports CUMULUS-3433 (Node v20 upgrade) to 18.3.x

[paulpilone]

Summary: Summary of changes

Addresses CUMULUS-3736: Backport Ticket for 18.3 (CUMULUS-3433)

Changes

• Back ports CUMULUS-3433 to 18.3.x
• Updates CHANGELOG for 18.3.x

PR Checklist

• [x] Update CHANGELOG
• [ ] Unit tests
• [ ] Ad-hoc testing - Deploy changes and test manually
• [ ] Integration tests

[paulpilone]

Closing this because 18.3.x will be more than just CUMULUS-3433. I'll open a new PR soon.