Updated CHANGELOG.md

Author: konakonall

CHANGELOG.md

@@ -7,7 +7,20 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
-## [v1.4.21](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.4.20...v1.4.21) - 2023-10-18
+## [v1.4.22](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.4.21...v1.4.22) - 2023-12-05
+
+feat
+-  pic-opertions加入签名计算
+
+### Merged
+
+- feat: pic-opertions加入签名计算 [`#199`](https://github.com/tencentyun/cos-js-sdk-v5/pull/199)
+
+### Commits
+
+- Updated CHANGELOG.md [`afee288`](https://github.com/tencentyun/cos-js-sdk-v5/commit/afee288adc83e45eb900c5888cd91b0aa5ee9166)
+
+## [v1.4.21](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.4.20...v1.4.21) - 2023-10-24
 
 fix
 -  代码格式化
@@ -432,10 +445,6 @@ fix：CIHost兼容处理
 
 ## [v1.3.0](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.2.21...v1.3.0) - 2021-11-17
 
-- 新增appendObject接口
-- 新增媒体处理demo
-- 修复已知d.ts错误
-
 ### Commits
 
 - feat：增加appendObject；增加媒体处理三个接口； [`8e25b6a`](https://github.com/tencentyun/cos-js-sdk-v5/commit/8e25b6a8c321b38d21ac6c71a9f07d2a1f60053c)