Run cron job once every 20 minutes

Maciej Olko · Maciej Olko · commit 120f2fcc4c52 · 2020-10-13T19:29:29.000+02:00
The shortest interval you can run scheduled workflows is once every 5 minutes. (https://docs.github.com/en/free-pro-team@latest/actions/reference/events-that-trigger-workflows#scheduled-events) Rarely complete duration of the job extends 15 minutes.
diff --git a/.github/workflows/update-and-build.yml b/.github/workflows/update-and-build.yml
@@ -1,6 +1,6 @@
 on:
   schedule:
-    - cron: '0 0 * * *'
+    - cron: '*/20 * * * *'
   push:
     branches:
       - '*'
