VolcEngine SDK V3 adaptation (#2082)

1) Configuration interface update
2) Back-end adaptation API update
Note: The official no longer supports the Skylark1/2 series, and all
have been switched to the Doubao series


![image](https://github.com/user-attachments/assets/f6fd8782-0cdf-4c0b-ac8f-9eb130f667a5)

### What problem does this PR solve?

_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [ ] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

Co-authored-by: 海贼宅 <stu_xyx@163.com>

conf/llm_factories.json

@@ -349,13 +349,19 @@
             "status": "1",
             "llm": [
                 {
-                    "llm_name": "Skylark2-pro-32k",
+                    "llm_name": "Doubao-pro-128k",
+                    "tags": "LLM,CHAT,128k",
+                    "max_tokens": 131072,
+                    "model_type": "chat"
+                },
+                {
+                    "llm_name": "Doubao-pro-32k",
                     "tags": "LLM,CHAT,32k",
                     "max_tokens": 32768,
                     "model_type": "chat"
                 },
                 {
-                    "llm_name": "Skylark2-pro-4k",
+                    "llm_name": "Doubao-pro-4k",
                     "tags": "LLM,CHAT,4k",
                     "max_tokens": 4096,
                     "model_type": "chat"