[webauthn] update CDDL reference (#1206)

equalsJeffH has just created a new issue for https://github.com/w3c/webauthn:

== update CDDL reference ==
to this: https://tools.ietf.org/html/draft-ietf-cbor-cddl

Please view or discuss this issue at https://github.com/w3c/webauthn/issues/1206 using your GitHub account

Received on Wednesday, 1 May 2019 01:10:56 UTC