chore: update release notes for publish 1.29.8 (#39)

Co-authored-by: github-actions <[email protected]>

Author: luohoufu

docs/content.en/docs/release-notes/_index.md

@@ -13,6 +13,13 @@ Information about release notes of INFINI Loadgen is provided here.
 ### 🐛 Bug fix  
 ### ✈️ Improvements  
 
+## 1.29.8 (2025-07-25)
+### ❌ Breaking changes  
+### 🚀 Features  
+### 🐛 Bug fix  
+### ✈️ Improvements  
+- This release includes updates from the underlying [Framework v1.2.0](https://docs.infinilabs.com/framework/v1.2.0), which resolves several common issues and enhances overall stability and performance. While there are no direct changes to Loadgen itself, the improvements inherited from Framework benefit Loadgen indirectly.
+
 ## 1.29.7 (2025-06-29)
 ### ❌ Breaking changes  
 ### 🚀 Features  

docs/content.zh/docs/release-notes/_index.md

@@ -13,6 +13,13 @@ title: "版本历史"
 ### 🐛 Bug fix  
 ### ✈️ Improvements  
 
+## 1.29.8 (2025-07-25)
+### ❌ Breaking changes  
+### 🚀 Features  
+### 🐛 Bug fix  
+### ✈️ Improvements  
+- 此版本包含了底层 [Framework v1.2.0](https://docs.infinilabs.com/framework/v1.2.0) 的更新，解决了一些常见问题，并增强了整体稳定性和性能。虽然 Loadgen 本身没有直接的变更，但从 Framework 中继承的改进间接地使 Loadgen 受益。
+
 ## 1.29.7 (2025-06-29)
 ### ❌ Breaking changes  
 ### 🚀 Features