[Openid-specs-ab] Issue #1540: [siopv2] `cnf` instead of `sub_jwk`? (openid/connect)

[Kristina Yasuda]

New issue 1540: [siopv2] `cnf` instead of `sub_jwk`?
https://bitbucket.org/openid/connect/issues/1540/siopv2-cnf-instead-of-sub_jwk

Kristina Yasuda:

I was pointed out it would be a good idea to converge around `cnf` claim defined in [RFC 7800 - Proof-of-Possession Key Semantics for JSON Web Tokens \(JWTs\) \(ietf.org\)](https://datatracker.ietf.org/doc/html/rfc7800) instead of `sub_jwk`.