ci: add Node.js setup to deploy workflow for consistent runtime environment

.github/workflows/deploy.yml

@@ -17,6 +17,10 @@ jobs:
 
       - uses: ./.github/actions/setup-bun
 
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "24"
+
       - run: bun sst deploy --stage=${{ github.ref_name }}
         env:
           CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}