CI: enable rebuild by schedule

ForNeVeR · ForNeVeR · commit 3be2af078262 · 2021-02-22T23:00:06.000+07:00
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -6,6 +6,8 @@ on:
   pull_request:
     branches:
       - master
+  schedule:
+    - cron: '0 0 * * 0'
 
 jobs:
   test:
