Adding comment to locked issues [skip ci]

Author: diemol

.github/workflows/lock.yml

@@ -19,3 +19,7 @@ jobs:
           process-only: 'issues'
           issue-lock-inactive-days: '30'
           issue-lock-reason: ''
+          issue-lock-comment: >
+            This issue has been automatically locked since there
+            has not been any recent activity after it was closed.
+            Please open a new issue for related bugs.