chore: move from pbr to setuptools_scm

[mayeut]

I verified manually that the SDist/wheel diff are only the expected ones.

[codecov]

Codecov Report

Merging #358 (7f15d6c) into main (167c75d) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #358   +/-   ##
=======================================
  Coverage   92.35%   92.35%           
=======================================
  Files          23       23           
  Lines        1256     1256           
  Branches      307      307           
=======================================
  Hits         1160     1160           
  Misses         55       55           
  Partials       41       41           

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