Dump missing cyclomatic and cognitive fields

[Luni-4]

This PR adds the new Cognitive and Cyclomatic sum and average fields when those metrics are dumped

[codecov-io]

Codecov Report

Merging #354 (9229d20) into master (03f1c9f) will increase coverage by 0.02%.
The diff coverage is 40.00%.

@@            Coverage Diff             @@
##           master     #354      +/-   ##
==========================================
+ Coverage   20.52%   20.55%   +0.02%     
==========================================
  Files          48       48              
  Lines        6236     6238       +2     
  Branches      815      815              
==========================================
+ Hits         1280     1282       +2     
  Misses       4426     4426              
  Partials      530      530              

Impacted Files	Coverage Δ
src/output/dump_metrics.rs	33.77% <40.00%> (+0.88%)	⬆️

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