This pr upgrades oidc to v3 . Function signature changes have been migrated as well. Specifically there are more client calls that take a context now. Where feasable a context is added to those calls. Where a context is not (easily) available context.TODO() is used as a reminder for when it does.
Related to #6619
This PR adds support for the OIDC end_session_endpoint for V2 tokens. Sending an id_token_hint as parameter will directly terminate the underlying (SSO) session and all its tokens. Without this param, the user will be redirected to the Login UI, where he will able to choose if to logout.
This PR adds support for userinfo and introspection of V2 tokens. Further V2 access tokens and session tokens can be used for authentication on the ZITADEL API (like the current access tokens).
