Ingest BioPortal PURLs from prefixmaps

[cthoyt]

This PR performs QC on the curated URI prefixes in https://github.com/linkml/prefixmaps/blob/main/src/prefixmaps/data/bioportal.curated.yaml and ingests a high-quality/non-redundant subset of them. This still requires curation to add in important context for each

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 41 lines in your changes are missing coverage. Please review.

Project coverage is 40.26%. Comparing base (0b0f8b9) to head (bc538ba).
Report is 38 commits behind head on main.

❗ Current head bc538ba differs from pull request most recent head 4723eca. Consider uploading reports for the commit 4723eca to get more accurate results

Files	Patch %	Lines
...ioregistry/curation/ingest_prefixmaps_bioportal.py	0.00%	41 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1099      +/-   ##
==========================================
- Coverage   40.44%   40.26%   -0.18%     
==========================================
  Files         150      151       +1     
  Lines        8340     8384      +44     
  Branches     1637     1650      +13     
==========================================
+ Hits         3373     3376       +3     
- Misses       4776     4817      +41     
  Partials      191      191              

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