[webauthn] new commits pushed by leshi

The following commits were just pushed by leshi to https://github.com/w3c/webauthn:

* Update SafetyNet attestation description

Use official SafetyNet documentation as a reference rather than trying to keep this text up to date.
Also update links to documentation
  by Alexei Czeskis
https://github.com/w3c/webauthn/commit/83709e88f2c7874c7fc718de360e848514c208c5

Received on Thursday, 7 March 2019 17:15:39 UTC