chore: Use SiliconFlow's DeepSeek model

.github/workflows/cr.yml

@@ -25,6 +25,9 @@ jobs:
         uses: hustcer/deepseek-review@develop
         with:
           max-length: 15000
+          # SiliconFlow's DeepSeek model
+          model: 'deepseek-ai/DeepSeek-V3'
+          base-url: 'https://api.siliconflow.cn/v1'
           # Store the chat token in GitHub Secrets, don't expose it in the workflow file
           chat-token: ${{ secrets.CHAT_TOKEN }}
           sys-prompt: >