Republish identifiers of standards

[ghobona]

The URIs in this file appear to have been removed from RAINBOW. They need to be republished.

https://github.com/opengeospatial/NamingAuthority/blob/46834b67d15af76c6f729d67322cd8c535b68fed/incubation/standards-baseline/standards.ttl

[ghobona]

The following will need to be added as well:

• http://www.opengis.net/def/interface/ogcapi-styles
• http://www.opengis.net/def/interface/ogcapi-3d-geovolumes