Update sub repos for frontend & backend
Adjustments Backend:
- more restrictive deletion of device properties
- improvements of the openapi specs
- improvements of the search for contact names
- added orcids to sensorml for contact online resource
- websites for sites
Adjustments Frontend:
- sites & labs (instead of just sites)
- more options for aggregation types
- parent platform information for umount cards
- websites for sites
- download dialog for sensorml
- improved error message when violating unique mail constraint for contacts