Kill testhost if writing hang dump fails

[Youssef1313]

Hide whitespaces in diff for easier review.

This change basically still kills the test host even if writing the dump file fails, so that the process isn't stuck

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 86.66667% with 4 lines in your changes missing coverage. Please review.

Project coverage is 76.38%. Comparing base (61be904) to head (d2ead67).

Files with missing lines	Patch %	Lines
...ensions.HangDump/HangDumpProcessLifetimeHandler.cs	86.66%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5538      +/-   ##
==========================================
+ Coverage   74.00%   76.38%   +2.38%     
==========================================
  Files         603      603              
  Lines       36419    36423       +4     
==========================================
+ Hits        26953    27823     +870     
+ Misses       9466     8600     -866     

Flag	Coverage Δ
Debug	76.38% <86.66%> (+2.38%)	⬆️
integration	76.38% <86.66%> (+2.38%)	⬆️
production	76.38% <86.66%> (+2.38%)	⬆️
unit	76.38% <86.66%> (+2.38%)	⬆️

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Files with missing lines	Coverage Δ
...ensions.HangDump/HangDumpProcessLifetimeHandler.cs	80.19% <86.66%> (+26.24%)	⬆️

... and 61 files with indirect coverage changes

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