Deal with freetds driver in CI

To handle the freetds driver, a separate job is needed that installs the relevant driver, adding it to the drivers list ends up with

```
sqlalchemy.exc.DBAPIError: (pyodbc.Error) ('01000', "[01000] [unixODBC][Driver Manager]Can't open lib 'libtdsodbc.so' : file not found (0) (SQLDriverConnect)")
```