Upgrade some github actions version

.github/workflows/deploy.yml

@@ -9,12 +9,12 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
-          node-version: 18 # Use Node.js 18 here
+          node-version: 20
 
       - name: Install dependencies
         run: npm install
@@ -26,4 +26,4 @@ jobs:
         uses: peaceiris/actions-gh-pages@v3
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./build # Change this if your build output directory is different
+          publish_dir: ./build # Change this if your build output directory is different