dev: scheduled stale issue & pr check (monthly)

Author: practicalli-johnny

.github/workflows/scheduled-stale-check.yaml

@@ -12,7 +12,7 @@ name: 'Scheduled stale check'
 on:
   workflow_dispatch:
   schedule:
-    - cron: '30 1 * * *'
+    - cron: "0 1 1 * *" # at 01:00 on first day of month
 
 jobs:
   stale:

CHANGELOG.md

@@ -21,7 +21,8 @@
 - intro: learning paths page describing aspects of journey into clojure
 
 ### Changed
-- ci: spell lychee & repository trufflehog linters warn only (false positives) 
+- ci: spell lychee & repository trufflehog linters warn only (false positives)
 - intro: refactor learning path order and enhance content
 - dev: standardise github workflow and mkdocs configuration
 - dev: lychee excludes an errors as warnings
+- dev: scheduled stale issue & pr check (monthly)