Change Node.js version from 24 to 20 in workflow

Author: gracepark

.github/workflows/publish.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 24
+          node-version: 20
           registry-url: https://registry.npmjs.org/
           cache: npm
       - run: npm ci