Update gh-pages.yml

.github/workflows/gh-pages.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 16.x
+          node-version: 18.x
       - name: Install dependencies
         run: npm install
       - name: Build