Use node version 20 for npm publish github workflow

.github/workflows/npm-publish.yml

@@ -12,7 +12,7 @@ jobs:
       # Setup .npmrc file to publish to npm
       - uses: actions/setup-node@v3
         with:
-          node-version: '16'
+          node-version: '20'
           registry-url: 'https://registry.npmjs.org'
       - run: npm install
       - run: npm publish