fix/674-android-key-verification-2025 #675
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This PR modernizes
"android-key"attestation statement verification. Verification steps are (mostly) in order as per WebAuthn L3 (I kept the signature check last for sake of a smaller PR):https://w3c.github.io/webauthn/#sctn-android-key-attestation
The new Google Hardware Attestation Root certs have been pulled from here:
https://developer.android.com/privacy-and-security/security-key-attestation#root_certificate
Fixes #674.