Bump whoami from 1.4.1 to 1.5.1 in /frameworks/Rust/axum (#8838)

Bumps [whoami](https://github.com/ardaku/whoami) from 1.4.1 to 1.5.1.
- [Changelog](https://github.com/ardaku/whoami/blob/v1/CHANGELOG.md)
- [Commits](ardaku/whoami@v1.4.1...v1.5.1)

---
updated-dependencies:
- dependency-name: whoami
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]