[Fix] node version dismatch

Author: junnei

.github/workflows/deploy-to-github-pages.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 21
           cache: npm
       - name: Install dependencies
         run: |