Update the product validation task

The built-in task_validate_products is now replaced by task_validate_geant_products such that it removes the step that requires us to add modify_note to all products. This workflow is not used by us, and therefore doesn't need to be tested for.

gso/workflows/opengear/create_imported_opengear.py

@@ -43,7 +43,7 @@ def initial_input_form_generator() -> FormGenerator:
 
     user_input = yield ImportOpengear
 
-    return user_input.dict()
+    return user_input.model_dump()
 
 
 @step("Initialize subscription")