fix(.github): use node v20 instead

Author: wingkwong

.github/workflows/deploy.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 22.16.0
+          node-version: 20.18.2
           registry-url: https://registry.npmjs.org
 
       - name: Install dependencies