deps(tongyi): fix tongyi dependencies and add tongyi proxy config (#2467)

# Description

deps(tongyi): fix tongyi dependencies and add tongyi proxy config

# How Has This Been Tested?

```bash
uv sync --all-packages --frozen --extra "base" --extra "proxy_tongyi" --extra "rag" --extra "storage_chromadb" --extra "dbgpts"
```

```bash
uv run python packages/dbgpt-app/src/dbgpt_app/dbgpt_server.py --config .\configs\dbgpt-proxy-tongyi.toml
```

packages/dbgpt-core/pyproject.toml

@@ -121,7 +121,12 @@ llama_cpp_server = [
 ]
 proxy_ollama = ["ollama"]
 proxy_zhipuai = ["zhipuai>=2.1.5"]
-proxy_tongyi = ["openai"] # tongyi supported by openai package
+proxy_tongyi = [
+    # tongyi supported by openai package
+    "openai",
+    # For tongyi proxy embedding model
+    "dashscope",
+]
 proxy_qianfan = ["qianfan"]
 proxy_openai = [
     "openai>=1.59.6",

packages/dbgpt-ext/pyproject.toml

@@ -74,10 +74,6 @@ storage_chromadb = [
     ]
 storage_elasticsearch = ["elasticsearch"]
 storage_obvector = ["pyobvector"]
-proxy_tongyi = [
-    # For tongyi proxy embedding model
-    "dashscope"
-]
 
 [tool.uv]
 managed = true