DBeaver is aware of the {es} JDBC maven repository so simply *Download/Update* the artifact or add a new one. As an alternative one can add a local file instead if the {es} Maven repository is not an option.
When changing the driver, make sure to click on the *Find Class* button at the bottom - the Driver class should be picked out automatically however this provides a sanity check that the driver jar is properly found and it is not corrupt.
==== Test connectivity
Once the driver version and the settings are in place, use *Test Connection* to check that everything works. If things are okay, one should get a confirmation window with the version of the driver and that of {es-sql}: