Jupysql

* [Fix] Updates docs for querying data frames when using DuckDB SQLAlchemy connections
* [Fix] Support for scanning data frames when using native DuckDB connections due to changes in DuckDB's API

*Drops compatibility with Python 3.8*

* [Fix] Compatibility with `prettytable>=3.12.0`

* [Feature] Removes telemetry

* [Feature] `ploomber-extension` is no longer a dependency

* [Feature] Remove sqlalchemy upper bound ([1020](https://github.com/ploomber/jupysql/pull/1020))