Add schedule and dispatch triggers to CI workflow

Author: druzsan

.github/workflows/ci.yml

@@ -1,6 +1,10 @@
 name: '🔍 CI'
 
-on: push
+on:
+  push:
+  schedule:
+    - cron: '0 6 * * *'
+  workflow_dispatch:
 
 # This workflow serves for multiple purposes:
 # - Action code check