ci: schedule beta workflow hourly to automate sync runs

.github/workflows/beta.yml

@@ -1,10 +1,8 @@
 name: beta
 
 on:
-  push:
-    branches: [dev]
-  pull_request:
-    types: [opened, synchronize, labeled, unlabeled]
+  schedule:
+    - cron: "0 * * * *"
 
 jobs:
   sync: