Fix typos

api/core/model_runtime/README.md

@@ -7,7 +7,7 @@ This module provides the interface for invoking and authenticating various model
 
 ## Features
 
-- Supports capability invocation for 5 types of models
+- Supports capability invocation for 6 types of models
 
   - `LLM` - LLM text completion, dialogue, pre-computed tokens capability
   - `Text Embedding Model` - Text Embedding, pre-computed tokens capability

api/core/model_runtime/README_CN.md

@@ -7,7 +7,7 @@
 
 ## 功能介绍
 
-- 支持 5 种模型类型的能力调用
+- 支持 6 种模型类型的能力调用
 
   - `LLM` - LLM 文本补全、对话，预计算 tokens 能力
   - `Text Embedding Model` - 文本 Embedding，预计算 tokens 能力