Update actions/upload-artifact version to v4

Author: xuelink

.github/workflows/deploy.yml

@@ -30,7 +30,7 @@ jobs:
           npm run build
 
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: website
           path: 'build/'