Update Node.js version to 20.x in workflow

Author: daveyherrera

.github/workflows/test-deploy.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20.x
           cache: npm
 
       - name: Install dependencies