docs: update changelogs

CHANGELOG.md

@@ -5,6 +5,21 @@ 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).
 
+## [v1.5.15](https://github.com/nocobase/nocobase/compare/v1.5.14...v1.5.15) - 2025-02-25
+
+### 🚀 Improvements
+
+- **[File manager]**
+  - Increase URL length to 1024 ([#6275](https://github.com/nocobase/nocobase/pull/6275)) by @mytharcher
+
+  - File names during upload will change from random to the original name with a random suffix. ([#6217](https://github.com/nocobase/nocobase/pull/6217)) by @chenos
+
+- **[Block: Action panel]** Optimize mobile styles ([#6270](https://github.com/nocobase/nocobase/pull/6270)) by @zhangzhonghe
+
+### 🐛 Bug Fixes
+
+- **[cli]** Improve internal logic of nocobase upgrade command ([#6280](https://github.com/nocobase/nocobase/pull/6280)) by @chenos
+
 ## [v1.5.14](https://github.com/nocobase/nocobase/compare/v1.5.13...v1.5.14) - 2025-02-24
 
 ### 🐛 Bug Fixes

CHANGELOG.zh-CN.md

@@ -5,6 +5,21 @@
 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)。
 
+## [v1.5.15](https://github.com/nocobase/nocobase/compare/v1.5.14...v1.5.15) - 2025-02-25
+
+### 🚀 优化
+
+- **[文件管理器]**
+  - URL 字段长度增加为 1024 ([#6275](https://github.com/nocobase/nocobase/pull/6275)) by @mytharcher
+
+  - 文件上传时生成的文件名由随机改成文件名加随机后缀。 ([#6217](https://github.com/nocobase/nocobase/pull/6217)) by @chenos
+
+- **[区块：操作面板]** 优化移动端样式 ([#6270](https://github.com/nocobase/nocobase/pull/6270)) by @zhangzhonghe
+
+### 🐛 修复
+
+- **[cli]** 优化 nocobase upgrade 命令行 ([#6280](https://github.com/nocobase/nocobase/pull/6280)) by @chenos
+
 ## [v1.5.14](https://github.com/nocobase/nocobase/compare/v1.5.13...v1.5.14) - 2025-02-24
 
 ### 🐛 修复