ci: check upstream releases at 04:02 China time

Author: LJAYi

.github/workflows/deploy-upstream-release.yml

@@ -2,7 +2,7 @@ name: Sync latest upstream release to main
 
 on:
   schedule:
-    - cron: "17 3 * * *"
+    - cron: "2 20 * * *"
   workflow_dispatch:
 
 permissions: