fix(configs): add missing ConfigDict to vector store configs (#4656)

Co-authored-by: kartik-mem0 <kartik.labhshetwar@mem0.ai>

mem0/configs/vector_stores/elasticsearch.py

@@ -1,7 +1,7 @@
 from collections.abc import Callable
 from typing import Any, Dict, List, Optional
 
-from pydantic import BaseModel, Field, model_validator
+from pydantic import BaseModel, ConfigDict, Field, model_validator
 
 
 class ElasticsearchConfig(BaseModel):
@@ -63,3 +63,5 @@ class ElasticsearchConfig(BaseModel):
                 f"Please input only the following fields: {', '.join(allowed_fields)}"
             )
         return values
+
+    model_config = ConfigDict(arbitrary_types_allowed=True)