Run nightly every 2 days

Author: NoraHagmeyer

.daisy/c_docc.yml

@@ -4,6 +4,8 @@ on:
       - main
   pull_request:
     types: [opened, reopened, synchronize, ready_for_review]
+  schedule:
+    - cron: "0 0 */2 * *"
 
 parameters:
   timeout: 20