Transform of swo does not normalize prefixes

[caufieldjh]

Describe the bug

The transform of swo involves a few different IRI prefixes, though none of them appear to be converted:

id	category	name	description	provided_by	iri	same_as
...
http://www.ebi.ac.uk/swo/maturity/SWO_9000071	biolink:NamedThing	First release	The first release of a piece of software. A first release does not imply any particular levels of maturity other than is this is the first instance of this software to be considered released.	swo.json	http://www.ebi.ac.uk/swo/maturity/SWO_9000071
http://www.ebi.ac.uk/swo/license/SWO_10000035	biolink:NamedThing	Distribution clause	Distribution clauses are license clauses which state the requirements on how the licensed resource is redistributed. The license for a resource may or may not allow the redistribution of that resource. If it is allowed, such usage may be restricted in a variety of ways.	swo.json	http://www.ebi.ac.uk/swo/license/SWO_10000035
http://www.ebi.ac.uk/efo/swo/SWO_0000507	biolink:NamedThing	obsolete cosmoGUI		swo.json	http://www.ebi.ac.uk/efo/swo/SWO_0000507

To Reproduce

python run.py --bucket kg-hub-public-data --save_local --get_only swo

Expected behavior

Prefixes should take the form SWO:

Version

107f982