docs: add ikorotkin as a contributor for code

[allcontributors[bot]]

Adds @ikorotkin as a contributor for code.

This was requested by brosaplanella in this comment

[skip ci]

[codecov[bot]]

Codecov Report

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

Project coverage is 99.58%. Comparing base (4d08b7a) to head (3b49189).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #4188 +/- ## ======================================== Coverage 99.58% 99.58% ======================================== Files 288 288 Lines 21799 21799 ======================================== Hits 21708 21708 Misses 91 91 ```

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