Build once an hour again. We don't need 15-minute granularity

.gitea/workflows/build-and-copy.yaml

@@ -2,7 +2,7 @@ name: Build and copy to prod
 on:
   push:
   schedule:
-    - cron: '*/15 * * * *'
+    - cron: '* * * * *'
 jobs:
   build-and-copy:
     runs-on: ubuntu-latest