Update ChangeLog

Author: github-actions[bot]

CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changelog
 
+## v1.6.1 (26/08/2021)
+## Changes
+## 🔧 Maintenance
+
+- Remove duplicates from matched file @soimkim (#32)
+- Print help message when p option is missing @soimkim (#31)
+-  Set condition to use FOSSLight Util v1.1.0 or later @soimkim (#29)
+
+---
+
 ## v1.6.0 (13/08/2021)
 ## Changes
 ## 🚀 Features