OAuth 2.1 framework version

[JohnMoehrke]

The draft ietf specification we point at is 01, yet the latest is 08
https://datatracker.ietf.org/doc/html/draft-ietf-oauth-v2-1-08

[JohnMoehrke]

@msmock can you comment? I am also interested on behalf of ITI-PCF ITI-108

[msmock]

Will be solved with CP-ITI-1288