Support cookie file auth needed for gdal

[asteiker]

A use case within the GrIMP project is to authenticate with Earthdata Login using cookie files, as this is needed for gdal and QGIS workflows. See this notebook for details: https://github.com/fastice/GrIMPNotebooks/blob/master/NSIDCLoginNotebook.ipynb

During GrIMP AGU CryoCloud tutorial it was suggested that this functionality get rolled into the existing earthaccess.login() method. It may be possible to support if it's a matter of setting specific environment variables.