docs: update coco (#24)

Author: RainyNight9

content/english/posts/2025/04-28-product-released-coco-ai-v0.4.md

@@ -115,7 +115,7 @@ You can create your own personal AI Assistant with Coco AI~
 
 ![start-app](/images/posts/2025/coco-v0.4/start-2.png)
 
-## Coco Server Client 0.4.0
+## Coco Server 0.4.0
 
 ### Breaking changes  
 

content/english/posts/2025/06-11-product-released-coco-ai-v0.5.md

@@ -143,7 +143,7 @@ You can create your own personal AI Assistant with Coco AI~
 
 ![search-menu](/images/posts/2025/coco-v0.5/ai-quick.gif)
 
-## Coco Server Client 0.5
+## Coco Server 0.5
 
 ### 🚀 Features