feat: derive `Clone` trait for `TokenRequest`

[nanderstabel]

Description of change

See title

Links to any relevant issues

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How the change has been tested

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Definition of Done checklist

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• [x] I have followed the contribution guidelines for this project
• [x] I have performed a self-review of my own code
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• [ ] I have made corresponding changes to the documentation
• [ ] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes