Adding the start time and end time of the step for cucumber json

[fliiiix]

The current cucumber report is not really spec complient: https://github.com/cucumber/messages/blob/main/messages.md#teststepresult

replaces #474

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.25%. Comparing base (112e3d8) to head (de3b1b9).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #479   +/-   ##
=======================================
  Coverage   87.25%   87.25%           
=======================================
  Files          39       39           
  Lines        2377     2377           
=======================================
  Hits         2074     2074           
  Misses        303      303           

Flag	Coverage Δ
unittests	87.25% <ø> (ø)

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