Refactor models and services in A76 module

- Updated GBultoService to use models.Package instead of models.GBulto.
- Refactored Part model to use SQLAlchemy 2.0 style with Mapped and mapped_column.
- Added timestamps (created_at, updated_at, deleted_at) to various pedimento models.
- Improved relationships and foreign key constraints in pedimento models.
- Updated PermissionRuleOct and Seal models to use Mapped and mapped_column.
- Changed DTO configuration from orm_mode to from_attributes for better compatibility.
- Removed obsolete models (models.py and models_ped.py) from the repository.

backend/api/v1/modules/a76/package/services.py

@@ -8,11 +8,11 @@ class GBultoService:
 
     @staticmethod
     def get_bulto_by_code(db: Session, code: str):
-        return db.query(models.GBulto).filter(models.GBulto.CODE == code).first()
+        return db.query(models.Package).filter(models.Package.CODE == code).first()
 
     @staticmethod
     def create_gbulto(db: Session, gbulto_data: dto.GBultoCreateDTO):
-        new_gbulto = models.GBulto(**gbulto_data.dict())
+        new_gbulto = models.Package(**gbulto_data.dict())
         db.add(new_gbulto)
         db.commit()
         db.refresh(new_gbulto)