add the changes of 2.9.0 to CHANGELOG.md and CHANGELOG.zh.md

Author: yinquan

CHANGELOG.md

@@ -1,3 +1,7 @@
+2.9.0
+- security:
+    - upgraded some dependencies.
+
 2.8.0
 - security:
     - upgraded some dependencies.

CHANGELOG.zh.md

@@ -1,3 +1,7 @@
+2.9.0
+- 安全性:
+    - 升级一些依赖包。
+
 2.8.0
 - 安全性:
     - 升级一些依赖包。