update changelog

Author: waruqi

CHANGELOG.md

@@ -10,6 +10,8 @@
 
 ### Changes
 
+* [#5507](https://github.com/xmake-io/xmake/issues/5507): Use treeless to improve git.clone
+
 ### Bugs fixed
 
 * [#4750](https://github.com/xmake-io/xmake/issues/4750): Fix compile_commands generator for `xmake tests`
@@ -1875,6 +1877,8 @@
 
 ### 改进
 
+* [#5507](https://github.com/xmake-io/xmake/issues/5507): 改进 git clone 下载速度
+
 ### Bugs 修复
 
 * [#4750](https://github.com/xmake-io/xmake/issues/4750): 修复 compile_commands 生成器，支持 `xmake tests`