chore: update Vercel workflow to include 'sat' branch for deployment

.github/workflows/vercel.yaml

@@ -6,6 +6,9 @@ env:
   TZ: Asia/Shanghai
 on:
   push:
+    branches:
+      # - main
+      - sat
 jobs:
   build-and-deploy-to-vercel:
     runs-on: ubuntu-latest