Nodejs update checklist

• Update node locally and rebuild css and js
• Verify the site works
• Update all the installation instructions in the README and doc/ directory
• Update version name in .nvmrc
• Update version number in .devcontainer/devcontainer.json
• Find new version number in http://dl-cdn.alpinelinux.org/alpine/edge/main/x86 and update Dockerfile. The format is usually XX.XX.X-r0.apk
• Update version numbers in .tool-versions
• Update the engine version in package.json