docs: add 4.16.0-beta2 publish channel notes (#7476)

document/content/self-host/upgrading/4-16/41602.en.mdx

+---
+title: 'V4.16.0-beta2 (Publish Channel UI Update)'
+description: 'FastGPT V4.16.0-beta2 release notes for the Publish Channel UI update'
+---
+
+## 🚀 New
+
+## ⚙️ Improvements
+
+1. Publish Channel UI/UX
+
+## 🐛 Fixes

document/content/self-host/upgrading/4-16/41602.mdx

+---
+title: 'V4.16.0-beta2（发布渠道 UI 更新）'
+description: 'FastGPT V4.16.0-beta2 发布渠道 UI 更新说明'
+---
+
+## 🚀 新增内容
+
+## ⚙️ 优化
+
+1. 发布渠道 UI/UX
+
+## 🐛 修复

document/content/self-host/upgrading/4-16/meta.en.json

 {
 {
   "title": "4.16.x",
   "title": "4.16.x",
   "description": "",
   "description": "",
-  "pages": ["41601"]
+  "pages": ["41601", "41602"]
 }
 }

document/content/self-host/upgrading/4-16/meta.json

 {
 {
   "title": "4.16.x",
   "title": "4.16.x",
   "description": "",
   "description": "",
-  "pages": ["41601"]
+  "pages": ["41601", "41602"]
 }
 }

document/content/toc.en.mdx

@@ -169,6 +169,7 @@ description: FastGPT Toc
 - [/en/self-host/upgrading/4-15/4156](/en/self-host/upgrading/4-15/4156)
 - [/en/self-host/upgrading/4-15/4156](/en/self-host/upgrading/4-15/4156)
 - [/en/self-host/upgrading/4-15/4157](/en/self-host/upgrading/4-15/4157)
 - [/en/self-host/upgrading/4-15/4157](/en/self-host/upgrading/4-15/4157)
 - [/en/self-host/upgrading/4-16/41601](/en/self-host/upgrading/4-16/41601)
 - [/en/self-host/upgrading/4-16/41601](/en/self-host/upgrading/4-16/41601)
+- [/en/self-host/upgrading/4-16/41602](/en/self-host/upgrading/4-16/41602)
 - [/en/self-host/upgrading/outdated/40](/en/self-host/upgrading/outdated/40)
 - [/en/self-host/upgrading/outdated/40](/en/self-host/upgrading/outdated/40)
 - [/en/self-host/upgrading/outdated/41](/en/self-host/upgrading/outdated/41)
 - [/en/self-host/upgrading/outdated/41](/en/self-host/upgrading/outdated/41)
 - [/en/self-host/upgrading/outdated/4100](/en/self-host/upgrading/outdated/4100)
 - [/en/self-host/upgrading/outdated/4100](/en/self-host/upgrading/outdated/4100)

document/content/toc.mdx

@@ -171,6 +171,7 @@ description: FastGPT 文档目录
 - [/self-host/upgrading/4-15/4156](/self-host/upgrading/4-15/4156)
 - [/self-host/upgrading/4-15/4156](/self-host/upgrading/4-15/4156)
 - [/self-host/upgrading/4-15/4157](/self-host/upgrading/4-15/4157)
 - [/self-host/upgrading/4-15/4157](/self-host/upgrading/4-15/4157)
 - [/self-host/upgrading/4-16/41601](/self-host/upgrading/4-16/41601)
 - [/self-host/upgrading/4-16/41601](/self-host/upgrading/4-16/41601)
+- [/self-host/upgrading/4-16/41602](/self-host/upgrading/4-16/41602)
 - [/self-host/upgrading/outdated/40](/self-host/upgrading/outdated/40)
 - [/self-host/upgrading/outdated/40](/self-host/upgrading/outdated/40)
 - [/self-host/upgrading/outdated/41](/self-host/upgrading/outdated/41)
 - [/self-host/upgrading/outdated/41](/self-host/upgrading/outdated/41)
 - [/self-host/upgrading/outdated/4100](/self-host/upgrading/outdated/4100)
 - [/self-host/upgrading/outdated/4100](/self-host/upgrading/outdated/4100)