Add Support for Passkeys

[asaikali]

Passkeys have emerged as the industry standard consumer facing solution to get rid of passwords see passkeys.dev with first class support from Google, Apple, and Microsoft. Passkey looks like it will become quite common in the consumer space. Spring security should make it easy to implement Passkey support in application.

Ongoing work can be followed at https://github.com/rwinch/spring-security-webauthn/tree/passkeys

Related gh-5238 (Passkeys is a subset of WebAuthn)

[osiegmar]

This issue duplicates #5238