Format inspect-builder json output before printing

[dwillist]

Signed-off-by: dwillist dthornton@vmware.com

Summary

Simple formatting update for inspect-builder json output

Output

Output contents is equivalent json, just with some formatting for human readability.

Resolves #952

[codecov]

Codecov Report

Merging #953 (15f0f8c) into main (12ad921) will decrease coverage by 0.02%.
The diff coverage is 71.43%.

@@            Coverage Diff             @@
##             main     #953      +/-   ##
==========================================
- Coverage   77.70%   77.68%   -0.01%     
==========================================
  Files         103      103              
  Lines        5012     5017       +5     
==========================================
+ Hits         3894     3897       +3     
- Misses        724      725       +1     
- Partials      394      395       +1     

Flag	Coverage Δ
os_linux	77.64% <71.43%> (+0.01%)	⬆️
os_macos	74.67% <71.43%> (-0.01%)	⬇️
os_windows	100.00% <ø> (ø)
unit	77.68% <71.43%> (-0.01%)	⬇️

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