Upgrade actions/checkout and actions/setup-node

Updated GitHub Actions to use newer versions of checkout and setup-node.

Author: ivanweng2077

.github/workflows/daily-digest.yml

@@ -19,13 +19,13 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 22
           cache: pnpm