[webauthn] Pull Request: Document how to use update-bikeshed-cache.sh

sideshowbarker has just submitted a new pull request for https://github.com/w3c/webauthn:

== Document how to use update-bikeshed-cache.sh ==
None

See https://github.com/w3c/webauthn/pull/1428

Received on Thursday, 28 May 2020 12:16:03 UTC