Add metric parameter for CyclomaticComplexity

[uhafner]

Otherwise serialized instances are wrongly mapped.

[codecov]

Codecov Report

Merging #6 (a05fd29) into main (899761a) will decrease coverage by 0.04%.
The diff coverage is 83.33%.

@@             Coverage Diff              @@
##               main       #6      +/-   ##
============================================
- Coverage     85.23%   85.20%   -0.04%     
- Complexity      478      479       +1     
============================================
  Files            23       23              
  Lines          1321     1325       +4     
  Branches        193      193              
============================================
+ Hits           1126     1129       +3     
- Misses          150      151       +1     
  Partials         45       45              

Impacted Files	Coverage Δ
src/main/java/edu/hm/hafner/coverage/Value.java	28.12% <0.00%> (-0.91%)	⬇️
...a/edu/hm/hafner/coverage/CyclomaticComplexity.java	100.00% <100.00%> (ø)
src/main/java/edu/hm/hafner/coverage/Metric.java	89.33% <100.00%> (+0.14%)	⬆️

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