Add json output to target-query --list

[JSCU-CNI]

This PR adds JSON output support to target-query --list using the --json flag. Fixes #887.

[EinatFox]

Hi @JSCU-CNI , please open an issue and attache this PR so we can schedule a review into our sprints.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 76.87%. Comparing base (c39246d) to head (5b20057). Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #841      +/-   ##
==========================================
+ Coverage   76.85%   76.87%   +0.01%     
==========================================
  Files         318      318              
  Lines       27231    27258      +27     
==========================================
+ Hits        20929    20955      +26     
- Misses       6302     6303       +1     

Flag	Coverage Δ
unittests	76.87% <0.00%> (+0.01%)	:arrow_up:

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[JSCU-CNI]

This PR does not seem to be merged, but I can see a merge commit in main. What happened there? :sweat_smile:

[Schamper]

🤷 it's been merged twice now.