refactor(pytest_plugin): Remove faker dependency

[tony]

Fixes #411

[codecov]

Codecov Report

Merging #412 (a3d2bba) into master (21b5fd8) will increase coverage by 0.07%.
The diff coverage is 90.90%.

❗ Current head a3d2bba differs from pull request most recent head 72065a3. Consider uploading reports for the commit 72065a3 to get more accurate results

@@            Coverage Diff             @@
##           master     #412      +/-   ##
==========================================
+ Coverage   60.83%   60.91%   +0.07%     
==========================================
  Files          35       35              
  Lines        2727     2735       +8     
  Branches      657      658       +1     
==========================================
+ Hits         1659     1666       +7     
- Misses        640      641       +1     
  Partials      428      428              

Impacted Files	Coverage Δ
src/libvcs/pytest_plugin.py	88.29% <90.90%> (-0.04%)	⬇️

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