improve: mordernizing validation by migrating pydantic from 1.x to 2.x (#4592)

api/core/entities/provider_entities.py

@@ -1,7 +1,7 @@
 from enum import Enum
 from typing import Optional
 
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 from core.model_runtime.entities.model_entities import ModelType
 from models.provider import ProviderQuotaType
@@ -27,6 +27,9 @@ class RestrictModel(BaseModel):
     base_model_name: Optional[str] = None
     model_type: ModelType
 
+    # pydantic configs
+    model_config = ConfigDict(protected_namespaces=())
+
 
 class QuotaConfiguration(BaseModel):
     """
@@ -65,6 +68,9 @@ class CustomModelConfiguration(BaseModel):
     model_type: ModelType
     credentials: dict
 
+    # pydantic configs
+    model_config = ConfigDict(protected_namespaces=())
+
 
 class CustomConfiguration(BaseModel):
     """