Merge pull request #26 from mobsuccess-devops/fix/pydantic-v2-warning

fix: Pydantic v2 warning on deprecated `__fields__` BaseModel property access

Author: anikolaienko

automapper/extensions/pydantic.py

@@ -5,7 +5,7 @@
 
 
 def spec_function(target_cls: Type[BaseModel]) -> Iterable[str]:
-    return (field_name for field_name in getattr(target_cls, "__fields__"))
+    return (field_name for field_name in target_cls.model_fields)
 
 
 def extend(mapper: Mapper) -> None: