Add support for passkeys PRF extension - #3048
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Adds support for PRF extension with the passkeys feature. It allows creating and using passkeys with sites that will not work without the PRF support.
Related KeePassXC side PR: keepassxreboot/keepassxc#13529
Testing strategy
Manually with the related KeePassXC PR.
Additional information, resources etc.
References / specs:
https://www.w3.org/TR/webauthn-3/#prf-extension
https://developers.yubico.com/WebAuthn/Concepts/PRF_Extension/Developers_Guide_to_PRF.html
https://botan.randombit.net/handbook/api_ref/kdf.html
Useful sites for testing:
https://www.passkeyprf.com
https://webauthn-passkeys-prf-demo.explore.corbado.com
Real sites for testing:
https://posteo.de/en
https://confer.to
https://vault.bitwarden.com/#/login
Type of change