build: Remove .coveragerc, use pyproject.toml

[tony]

No description provided.

[codecov]

Codecov Report

Merging #421 (f2f1d96) into master (032008e) will increase coverage by 0.09%.
The diff coverage is n/a.

❗ Current head f2f1d96 differs from pull request most recent head 5365ebc. Consider uploading reports for the commit 5365ebc to get more accurate results

@@            Coverage Diff             @@
##           master     #421      +/-   ##
==========================================
+ Coverage   61.16%   61.26%   +0.09%     
==========================================
  Files          35       38       +3     
  Lines        2758     2765       +7     
  Branches      662      661       -1     
==========================================
+ Hits         1687     1694       +7     
  Misses        642      642              
  Partials      429      429              

Impacted Files	Coverage Δ
src/libvcs/cmd/hg.py	38.96% <0.00%> (-1.55%)	⬇️
src/libvcs/cmd/svn.py	34.15% <0.00%> (-0.65%)	⬇️
src/libvcs/sync/base.py	83.82% <0.00%> (-0.47%)	⬇️
src/libvcs/cmd/git.py	12.83% <0.00%> (-0.27%)	⬇️
src/libvcs/_internal/dataclasses.py	100.00% <0.00%> (ø)
src/libvcs/conftest.py	100.00% <0.00%> (ø)
tests/_internal/subprocess/conftest.py	100.00% <0.00%> (ø)
tests/conftest.py	100.00% <0.00%> (ø)

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