Mark a Task as Not Eligible for Backfill

### Description Add a attribute to existing tasks so that when the dag is cleaned, if the task has been succeeded before, it won't rerun again. ### Use case/motivation _No response_ ### Related issues _No response_ ### Are you willing to submit a PR? - [x] Yes I am willing to submit a PR! ### Code of Conduct - [x] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)