AIP-74: Support grouping Asset by group attribute

### Description <img width="688" alt="image" src="https://github.com/user-attachments/assets/bd1c052b-101c-4782-afeb-6f4a4b909411"> ### Use case/motivation https://cwiki.apache.org/confluence/display/AIRFLOW/AIP-74+Introducing+Data+Assets ### 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)