DM-32408: Derive setuptools package version using git

[timj]

Checklist

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

[codecov]

Codecov Report

Merging #244 (42fd327) into main (7e88d4d) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #244   +/-   ##
=======================================
  Coverage   71.89%   71.89%           
=======================================
  Files          60       60           
  Lines        6585     6585           
  Branches     1240     1240           
=======================================
  Hits         4734     4734           
  Misses       1624     1624           
  Partials      227      227           

Impacted Files	Coverage Δ
python/lsst/pipe/base/graph/graph.py	81.23% <0.00%> (ø)

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