Backport v0.37 add nWorker to verify execution result

[zhangchiqing]

Backport #6830

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 76.31579% with 18 lines in your changes missing coverage. Please review.

Project coverage is 41.52%. Comparing base (0507f92) to head (41457ae).

Files with missing lines	Patch %	Lines
cmd/util/cmd/verify_execution_result/cmd.go	0.00%	9 Missing ⚠️
engine/verification/verifier/verifiers.go	86.56%	9 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            v0.37    #6831   +/-   ##
=======================================
  Coverage   41.51%   41.52%           
=======================================
  Files        2032     2032           
  Lines      181451   181514   +63     
=======================================
+ Hits        75338    75381   +43     
- Misses      99882    99896   +14     
- Partials     6231     6237    +6     

Flag	Coverage Δ
unittests	41.52% <76.31%> (+<0.01%)	⬆️

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