Updated CHANGELOG.md

Author: konakonall

CHANGELOG.md

@@ -7,6 +7,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+## [v0.7.15](https://github.com/tencentyun/cos-go-sdk-v5/compare/v0.7.14...v0.7.15) - 2020-12-11
+
+update ci & ci document
+
+### Merged
+
+- update ci [`#96`](https://github.com/tencentyun/cos-go-sdk-v5/pull/96)
+
+### Commits
+
+- Updated CHANGELOG.md [`b8afb3f`](https://github.com/tencentyun/cos-go-sdk-v5/commit/b8afb3f85050cee4884a46c8ed49d26bf76d10a4)
+
 ## [v0.7.14](https://github.com/tencentyun/cos-go-sdk-v5/compare/v0.7.13...v0.7.14) - 2020-12-09
 
 fix bucket lifecycle