Update deploy-docs.yml (#324)

.github/workflows/deploy-docs.yml

@@ -10,19 +10,21 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Set up Node.js
-      uses: actions/setup-node@v2
+      uses: actions/setup-node@v4
       with:
-        node-version: '16'
+        node-version: '20'
 
     - name: Install dependencies and build
       run: |
         cd docs
         npm install
         npm run build
+    
     - name: Deploy to GitHub Pages
       uses: peaceiris/actions-gh-pages@v3
       with: