docs: update changelogs

CHANGELOG.md

@@ -5,6 +5,23 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [v1.5.16](https://github.com/nocobase/nocobase/compare/v1.5.15...v1.5.16) - 2025-02-26
+
+### 🚀 Improvements
+
+- **[Backup manager]** Allow restoring backup to an application even it is missing some plugins by @gchust
+
+### 🐛 Bug Fixes
+
+- **[client]** rich text field component cannot be fully cleared ([#6287](https://github.com/nocobase/nocobase/pull/6287)) by @katherinehhh
+
+- **[File manager]**
+  - Fix migration and add test cases ([#6288](https://github.com/nocobase/nocobase/pull/6288)) by @mytharcher
+
+  - Fix `path` column type of file collection ([#6294](https://github.com/nocobase/nocobase/pull/6294)) by @mytharcher
+
+  - Fix migration and add test cases ([#6288](https://github.com/nocobase/nocobase/pull/6288)) by @mytharcher
+
 ## [v1.5.15](https://github.com/nocobase/nocobase/compare/v1.5.14...v1.5.15) - 2025-02-25
 
 ### 🚀 Improvements

CHANGELOG.zh-CN.md

@@ -5,6 +5,23 @@
 格式基于 [Keep a Changelog](https://keepachangelog.com/zh-CN/1.0.0/),
 并且本项目遵循 [语义化版本](https://semver.org/spec/v2.0.0.html)。
 
+## [v1.5.16](https://github.com/nocobase/nocobase/compare/v1.5.15...v1.5.16) - 2025-02-26
+
+### 🚀 优化
+
+- **[备份管理器]** 允许还原备份到缺少部分插件的应用 by @gchust
+
+### 🐛 修复
+
+- **[client]** 富文本字段组件无法删除清空所有内容 ([#6287](https://github.com/nocobase/nocobase/pull/6287)) by @katherinehhh
+
+- **[文件管理器]**
+  - 修复迁移脚本并补充测试用例 ([#6288](https://github.com/nocobase/nocobase/pull/6288)) by @mytharcher
+
+  - 修复文件表 `path` 列的类型 ([#6294](https://github.com/nocobase/nocobase/pull/6294)) by @mytharcher
+
+  - 修复迁移脚本并补充测试用例 ([#6288](https://github.com/nocobase/nocobase/pull/6288)) by @mytharcher
+
 ## [v1.5.15](https://github.com/nocobase/nocobase/compare/v1.5.14...v1.5.15) - 2025-02-25
 
 ### 🚀 优化