Bump @github/webauthn-json from 0.4.2 to 0.5.4 (#14823)

Bumps [@github/webauthn-json](https://github.com/github/webauthn-json) from 0.4.2 to 0.5.4.
- [Release notes](https://github.com/github/webauthn-json/releases)
- [Commits](https://github.com/github/webauthn-json/compare/v0.4.2...v0.5.4

)

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