community[patch]: Fix missing protected_namespaces(). (#27610)

- [x] **PR message**:
- **Description:** Fixes warning messages raised due to missing
`protected_namespaces` parameter in `ConfigDict`.
    - **Issue:** https://github.com/langchain-ai/langchain/issues/27609
    - **Dependencies:** No dependencies
    - **Twitter handle:** @gawbul

libs/community/langchain_community/embeddings/ascend.py

@@ -2,7 +2,7 @@ import os
 from typing import Any, Dict, List, Optional
 
 from langchain_core.embeddings import Embeddings
-from pydantic import BaseModel, model_validator
+from pydantic import BaseModel, ConfigDict, model_validator
 
 
 class AscendEmbeddings(Embeddings, BaseModel):
@@ -33,6 +33,8 @@ class AscendEmbeddings(Embeddings, BaseModel):
     model: Any
     tokenizer: Any
 
+    model_config = ConfigDict(protected_namespaces=())
+
     def __init__(self, *args: Any, **kwargs: Any) -> None:
         super().__init__(*args, **kwargs)
         try: