Update issue assigner (#1404)

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### Summary

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Resolves #111 and #222.
Depends on #1000 (for series of dependent commits).

This PR introduces this capability to make the project better in this
and that.

- Added this feature
- Removed that feature
- Fixed the problem #1234
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### How to test
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### Checklist
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- [ ] I have added unit tests to cover my changes.​
- [ ] I have added integration tests to cover my changes.​
- [ ] I have added the description of my changes into
[CHANGELOG](https://github.com/openvinotoolkit/datumaro/blob/develop/CHANGELOG.md).​
- [ ] I have updated the
[documentation](https://github.com/openvinotoolkit/datumaro/tree/develop/docs)
accordingly

### License

- [ ] I submit _my code changes_ under the same [MIT
License](https://github.com/openvinotoolkit/datumaro/blob/develop/LICENSE)
that covers the project.
  Feel free to contact the maintainers if that's a concern.
- [ ] I have updated the license header for each file (see an example
below).

```python
# Copyright (C) 2024 Intel Corporation
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# SPDX-License-Identifier: MIT
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Author: wonjuleee

.github/workflows/issue_assignment.yml

@@ -17,6 +17,6 @@ jobs:
         uses: pozil/auto-assign-issue@v1.13.0
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-          assignees: vinnamkim,jihyeonyi,sooahleex
+          assignees: vinnamkim,jihyeonyi,sooahleex,itrushkin
           numOfAssignee: 1
           allowSelfAssign: false