Description

feat(jans-auth-server): updates to Audience Values for OAuth 2.0 Authorization Servers

https://datatracker.ietf.org/doc/draft-ietf-oauth-rfc7523bis/

1. client_assertion will require strict aud claim value that must point to AS issuer
2. add configuration property to allow administrator relax this check (with false value by default)

Test cases and code coverage

• Write unit test to cover added/changed code
• Update integration tests to cover added/changed code
• documentation