feat: custom error depth

[samber]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 40.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.48%. Comparing base (f1e9c26) to head (853807d).
⚠️ Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
converter.go	40.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #43      +/-   ##
==========================================
- Coverage   81.37%   79.48%   -1.90%     
==========================================
  Files           2        2              
  Lines         145      117      -28     
==========================================
- Hits          118       93      -25     
+ Misses         25       21       -4     
- Partials        2        3       +1     

Flag	Coverage Δ
unittests	79.48% <40.00%> (-1.90%)	⬇️

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