propagate automatic updates to the released version of the lib

[12rambau]

related to #50.
I'm relying on the latest published version of the package and it seems my STAC json file is not up to date. The cron job that is updating it is in fact not force pushing releases.

I see 2 potential solutions:
1/ release patch version when changes are pushed by the cron job
2/ get the content of the data folder dynamically upon installation

Do you have any preferences ?

[12rambau]

now that I think about it I see a third valid option: stop relying on the ingested data catalog and use directly the STAC from the open json catalog: https://storage.googleapis.com/earthengine-stac/catalog/COPERNICUS/catalog.json