Updates for Node 21/22
Summary
Add support for Node 22 (release 2024-04-23) and remove support for Node 21 (EOL 2024-06-01) per Node release schedule (npm packages, lint config). The first Node 20 LTS release was 20.9.0
Add support for Node 22 (release 2024-04-23) and remove support for Node 21 (EOL 2024-06-01) per Node release schedule (npm packages, lint config). The first Node 20 LTS release was 20.9.0