chore: add changelog

CHANGELOG.en-US.md

 ## Changelog
 
+### 2.15.12
+
+*2022-11-16*
+
+#### Bug fixes
+- Statistic：
+  - Fixed the thousandth bit bug (#22252 by @webvs2)
+- Other
+  - Fix 2.15.11 element-theme-chalk publish fail bug
+
 ### 2.15.11
 
 *2022-11-15*

CHANGELOG.es.md

 ## Changelog
 
+### 2.15.12
+
+*2022-11-16*
+
+#### Bug fixes
+- Statistic：
+  - Fixed the thousandth bit bug (#22252 by @webvs2)
+- Other
+  - Fix 2.15.11 element-theme-chalk publish fail bug
+
 ### 2.15.11
 
 *2022-11-15*

CHANGELOG.fr-FR.md

 ## Changelog
 
+### 2.15.12
+
+*2022-11-16*
+
+#### Bug fixes
+- Statistic：
+  - Fixed the thousandth bit bug (#22252 by @webvs2)
+- Other
+  - Fix 2.15.11 element-theme-chalk publish fail bug
+
 ### 2.15.11
 
 *2022-11-15*

CHANGELOG.zh-CN.md

 ## 更新日志
 
+### 2.15.12
+
+*2022-11-16*
+
+#### Bug 修复
+- Statistics
+  - 修改 千分位 问题 (#22252 by @webvs2)
+- 其他
+  - 修复 2.15.11版本element-theme-chalk未成功发布 问题
+
 ### 2.15.11
 
 *2022-11-15*