Merge pull request msyk#70 from matsuo/github-actions

Modify the schedule setting for GitHub Actions

Author: msyk

.github/workflows/php.yml

@@ -5,7 +5,7 @@ on:
     branches:
       - "*"
   schedule:
-    - cron:  '* * 15 * *'
+    - cron:  '0 9 15 * *'
 
 jobs:
   test: