allow configuring dataset model uri collation

### Description Currently, the dataset model's uri column has a hard code collation. The 'latin1_general_cs' collation is not supported by some MySQL compatible database, like TiDB. So it's not possible to use the database with Airflow while most other features are compatible. https://github.com/apache/airflow/blob/17e5e7b3b0ceae9f7e25bbee2d4beb62a9aaab39/airflow/models/dataset.py#L59 ### Use case/motivation Allow users to customize the collation while still default to 'latin1_general_cs'. ### 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)