DM-35220: Use python dependencies from github

[mwittgen]

Checklist

• ran Jenkins
• added a release note for user-visible changes to doc/changes

[codecov]

Codecov Report

Merging #23 (214995b) into main (1c12631) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #23   +/-   ##
=======================================
  Coverage   86.20%   86.20%           
=======================================
  Files          22       22           
  Lines        2726     2726           
  Branches      542      542           
=======================================
  Hits         2350     2350           
  Misses        297      297           
  Partials       79       79           

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