chore: update CODEOWNERS file

[mkuznyetsov]

What does this PR do?

update codeowners file

Screenshot/screencast of this PR

What issues does this PR fix or reference?

eclipse-che/che#22188

How to test this PR?

PR Checklist

As the author of this Pull Request I made sure that:

• The Eclipse Contributor Agreement is valid
• Code produced is complete
• Code builds without errors
• Tests are covering the bugfix
• The repository devfile is up to date and works
• Sections What issues does this PR fix or reference and How to test this PR completed
• Relevant user documentation updated
• Relevant contributing documentation updated
• CI/CD changes implemented, documented and communicated

Reviewers

Reviewers, please comment how you tested the PR when approving it.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: ibuziuk, mkuznyetsov

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• OWNERS

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[openshift-ci]

@mkuznyetsov: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/v12-bitbucket-flow	af4e9f0	link	true	/test v12-bitbucket-flow
ci/prow/v12-github-flow	af4e9f0	link	true	/test v12-github-flow
ci/prow/v12-gitlab-flow	af4e9f0	link	true	/test v12-gitlab-flow
ci/prow/v12-gitlab-with-pat-setup-flow	af4e9f0	link	true	/test v12-gitlab-with-pat-setup-flow
ci/prow/v12-bitbucket-no-pat-oauth-flow	af4e9f0	link	true	/test v12-bitbucket-no-pat-oauth-flow
ci/prow/v12-github-with-pat-setup-flow	af4e9f0	link	true	/test v12-github-with-pat-setup-flow
ci/prow/v12-github-no-pat-oauth-flow	af4e9f0	link	true	/test v12-github-no-pat-oauth-flow
ci/prow/v12-gitlab-no-pat-oauth-flow	af4e9f0	link	true	/test v12-gitlab-no-pat-oauth-flow

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