Update NCBI Taxonomy alternative prefix

[jmillanacosta]

Prefix

ncbitaxon

Explanation

I have come across http://purl.bioontology.org/ontology/NCBITAXON/131567, not solvable with bioregistry.curie_from_iri().
http://purl.bioontology.org/ontology/NCBITAXON/ still redirects to BioPortal.

Contributor ORCID

0000-0001-5608-781X

[cthoyt]

I added a new provider in #1749 which makes the IRI parsing work as expected

[cthoyt]

@jmillanacosta i just pushed a new release v0.13.4 to PyPI with the update