Adding start and end time in cucumber json

[PrajwalParvati]

PR is a part of https://github.com/radish-bdd/radish/issues/473 Describe Your Changes adding start and end time of the step in cucumber.json

fixes #473

[codecov[bot]]

Codecov Report

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

Project coverage is 87.25%. Comparing base (084622e) to head (665c36f).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #474 +/- ## ======================================= Coverage 87.25% 87.25% ======================================= Files 39 39 Lines 2377 2377 ======================================= Hits 2074 2074 Misses 303 303 ``` | [Flag](https://app.codecov.io/gh/radish-bdd/radish/pull/474/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=radish-bdd) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/radish-bdd/radish/pull/474/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=radish-bdd) | `87.25% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=radish-bdd#carryforward-flags-in-the-pull-request-comment) to find out more.

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[fliiiix]

Also please run black to format

Oh no! 💥 💔 💥
2 files would be reformatted, 127 files would be left unchanged.

[fliiiix]

And please add a note for the change to the CHANGELOG.md file