docs: update changelogs

CHANGELOG.md

@@ -5,6 +5,18 @@ 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).
 
+## [v1.5.20](https://github.com/nocobase/nocobase/compare/v1.5.19...v1.5.20) - 2025-03-03
+
+### 🐛 Bug Fixes
+
+- **[client]** Pages with custom favicon briefly flash the NocoBase favicon during loading ([#6337](https://github.com/nocobase/nocobase/pull/6337)) by @zhangzhonghe
+
+- **[Block: Map]** Configuration settings for map field are missing/not visible ([#6336](https://github.com/nocobase/nocobase/pull/6336)) by @zhangzhonghe
+
+- **[Custom brand]** Pages with custom favicon briefly flash the NocoBase favicon during loading by @zhangzhonghe
+
+- **[Template print]** Restore from local failed when action template print and backup manager plugins were both enabled by @gchust
+
 ## [v1.5.19](https://github.com/nocobase/nocobase/compare/v1.5.18...v1.5.19) - 2025-03-01
 
 ### 🐛 Bug Fixes

CHANGELOG.zh-CN.md

@@ -5,6 +5,18 @@
 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)。
 
+## [v1.5.20](https://github.com/nocobase/nocobase/compare/v1.5.19...v1.5.20) - 2025-03-03
+
+### 🐛 修复
+
+- **[client]** 已经自定义 favicon 的页面，在页面加载时会闪一下 NocoBase 的 favicon ([#6337](https://github.com/nocobase/nocobase/pull/6337)) by @zhangzhonghe
+
+- **[区块：地图]** 地图字段不显示配置项 ([#6336](https://github.com/nocobase/nocobase/pull/6336)) by @zhangzhonghe
+
+- **[自定义品牌]** 已经自定义 favicon 的页面，在页面加载时会闪一下 NocoBase 的 favicon by @zhangzhonghe
+
+- **[模板打印]** 模板打印插件和备份管理器插件都开启时，无法上传本地备份还原应用 by @gchust
+
 ## [v1.5.19](https://github.com/nocobase/nocobase/compare/v1.5.18...v1.5.19) - 2025-03-01
 
 ### 🐛 修复