Upgrade Node.js version to 20 in workflow

Update the GitHub Actions npm-publish workflow to use Node.js 20 by changing the actions/setup-node node-version from 18 to 20. Ensures CI publishes and installs run on Node 20.

Author: MSACC

.github/workflows/npm-publish.yml

@@ -14,7 +14,7 @@ jobs:
         uses: actions/setup-node@v3
         with:
           always-auth: true
-          node-version: 18
+          node-version: 20
           cache: 'yarn'
           registry-url: 'https://registry.npmjs.org/'
       - name: Install dependencies