更新CHANGELOG

Author: liuhll

CHANGELOG.en-US.md

@@ -3,6 +3,8 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+## [1.2.0]
+
 ### Added
 - Added use of Serilog as a logger
 - Added identity authentication and authorization package

CHANGELOG.md

@@ -3,6 +3,8 @@
 
 ## [未发布]
 
+## [1.2.0]
+
 ### 新增
 - 新增 Serilog 作为记录器的使用
 - 新增身份认证授权包