PMM-14576 Backup improvements.

[JiriCtvrtka]

PMM-14576

[JiriCtvrtka]

@copilot review

[codecov]

Codecov Report

❌ Patch coverage is 80.41958% with 28 lines in your changes missing coverage. Please review.
✅ Project coverage is 43.76%. Comparing base (61adfda) to head (00e8f6b).

Files with missing lines	Patch %	Lines
agent/runner/jobs/pbm_helpers.go	80.41%	28 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##               v3    #5490      +/-   ##
==========================================
+ Coverage   43.51%   43.76%   +0.24%     
==========================================
  Files         413      413              
  Lines       42928    42486     -442     
==========================================
- Hits        18682    18592      -90     
+ Misses      22374    22132     -242     
+ Partials     1872     1762     -110     

Flag	Coverage Δ
agent	49.66% <80.41%> (+0.62%)	⬆️

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