parse_segv.py: log traceback in case of a failure

[bdrung]

To ease debugging, log the traceback in case parse_segv.py fails.

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 84.36%. Comparing base (75084de) to head (fd21948).
⚠️ Report is 9 commits behind head on main.

Files with missing lines	Patch %	Lines
data/general-hooks/parse_segv.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #554      +/-   ##
==========================================
- Coverage   84.38%   84.36%   -0.03%     
==========================================
  Files         104      104              
  Lines       20823    20825       +2     
  Branches     3256     3256              
==========================================
- Hits        17572    17569       -3     
- Misses       2812     2817       +5     
  Partials      439      439              

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