cron job to run

.github/workflows/release-rc-master.yml → .github/workflows/release-rc-scheduled.yml

@@ -1,9 +1,9 @@
 name: Release Docker Images for RC (for master)
 
 on:
-  push:
-    branches:
-      - master
+  schedule:
+    cron:
+      - '0 15 * * 1-5' # Weekdays at 24:00hrs (JST) Executed
 
 
 concurrency: