Update cron schedule for firmware download

Change cron schedule to run hourly instead of every 5 minutes.

.github/workflows/firmware-autodl.yml

@@ -2,7 +2,7 @@ name: 🎮 Firmware Auto Downloader
 
 on:
   schedule:
-    - cron: '*/5 * * * *'
+    - cron: '0 * * * *'
   workflow_dispatch:
 
 jobs: