node: collect goroutines stacks before SIGKILL

[algorandskiy]

Summary

If node cannot be stopped with SIGTERM, node controller will use SIGKILL after 30s. This change calls goroutine dumper before calling SIGKILL.

Requires "EnableProfiler": true to be set in config.json

Test Plan

Manual test

[codecov]

Codecov Report

❌ Patch coverage is 0% with 25 lines in your changes missing coverage. Please review.
✅ Project coverage is 47.71%. Comparing base (1d079fe) to head (dc210e2).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
nodecontrol/NodeController.go	0.00%	23 Missing ⚠️
nodecontrol/algodControl.go	0.00%	1 Missing ⚠️
nodecontrol/kmdControl.go	0.00%	1 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (1d079fe) and HEAD (dc210e2). Click for more details.

HEAD has 4 uploads less than BASE

Flag	BASE (1d079fe)	HEAD (dc210e2)
full_coverage	4	0

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #6557       +/-   ##
===========================================
- Coverage   63.24%   47.71%   -15.53%     
===========================================
  Files         484      645      +161     
  Lines       67761    88025    +20264     
===========================================
- Hits        42858    42005      -853     
- Misses      21122    43254    +22132     
+ Partials     3781     2766     -1015     

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[algorandskiy]

This helped to diagnose #6562