helmoltz-aai: update the uris

Motivation:

The maintainer of helmholtz changed to a new domain.

Modification:

Change the uris of the hdf to reflect the new domain
    name

Result:

AAI works and no visible changes to users

Target: master
Acked-by: Franz Stephan
Review: https://gitlab.hzdr.de/hifis-technical-platform/helmholtz-marketplace-server/-/merge_requests/11
3 jobs for master in 4 minutes and 33 seconds (queued for 1 second)