Add processor id to ProcessorStopSignalData

[AleksanderWWW]

Before submitting checklist

• Did you update the CHANGELOG? (not for test updates, internal changes/refactors or CI/CD setup)
• Did you ask the docs owner to review all the user-facing changes?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (91c95bb) 79.97% compared to head (aeb22f5) 73.96%.
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1625      +/-   ##
==========================================
- Coverage   79.97%   73.96%   -6.01%     
==========================================
  Files         293      293              
  Lines       14632    14347     -285     
==========================================
- Hits        11702    10612    -1090     
- Misses       2930     3735     +805     

Flag	Coverage Δ
e2e	?
e2e-	?
e2e-management	?
e2e-s3	?
e2e-s3-gcs	?
e2e-standard	?
macos	73.68% <100.00%> (-6.02%)	⬇️
macos-latest	?
py3.10	?
py3.7	73.96% <100.00%> (-5.59%)	⬇️
py3.7.16	?
py3.8	?
ubuntu	73.82% <100.00%> (-5.91%)	⬇️
ubuntu-latest	?
unit	73.96% <100.00%> (+<0.01%)	⬆️
windows	73.15% <100.00%> (-6.62%)	⬇️

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[AleksanderWWW]

E2E ✅

https://github.com/neptune-ai/neptune-client/actions/runs/7708247738