Add children argument to target-info tool

[JSCU-CNI]

This PR adds the --children argument to target-info.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.89%. Comparing base (0087c5d) to head (82d1952).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1113   +/-   ##
=======================================
  Coverage   77.89%   77.89%           
=======================================
  Files         355      355           
  Lines       32244    32245    +1     
=======================================
+ Hits        25115    25116    +1     
  Misses       7129     7129           

Flag	Coverage Δ
unittests	77.89% <100.00%> (+<0.01%)	⬆️

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