feat(git): repo is copied while filtering file with gitignore

[alanjaouen]

resolve #150

Checklist

All items have to be completed before a PR is merged

• Adhere to Contribution Guidelines
• Updates to Decision Records considered?
• Updates to documentation at flxbl-sfp Guide considered?
• Tested changes?
• Unit Tests new and existing passing locally?

[codecov]

Codecov Report

Attention: Patch coverage is 5.22876% with 145 lines in your changes missing coverage. Please review.

Project coverage is 46.34%. Comparing base (2bd58ec) to head (8c0b04e).
Report is 78 commits behind head on main.

Files with missing lines	Patch %	Lines
src/core/git/Git.ts	5.22%	136 Missing and 9 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #151      +/-   ##
==========================================
- Coverage   46.36%   46.34%   -0.03%     
==========================================
  Files          73       72       -1     
  Lines        2836     3457     +621     
  Branches      328      762     +434     
==========================================
+ Hits         1315     1602     +287     
- Misses       1496     1711     +215     
- Partials       25      144     +119     

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