Mrpossoms/silva adaptive download links

[mrpossoms]

Use beautifulsoup to scrape download links from file listing webpages. Anchor tags whose href attribute matches a regex pattern are returned as download link candidates. This will allow dataset downloads to better adapt to version and organizational changes without interruption of normal functionality.

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 86.66667% with 2 lines in your changes missing coverage. Please review.

Project coverage is 95.21%. Comparing base (876d1ac) to head (c996fd2).
Report is 4 commits behind head on main.

Files	Patch %	Lines
multitax/utils.py	84.61%	2 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #21      +/-   ##
==========================================
- Coverage   95.38%   95.21%   -0.18%     
==========================================
  Files          10       10              
  Lines         824      836      +12     
==========================================
+ Hits          786      796      +10     
- Misses         38       40       +2     

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[pirovc]

Nice! Thanks for the PR. The BeautifulSoup package is very limited in terms of compatibility with python versions, almost all tests failed. Is there a way to achieve the same without it?