d97d62d docs: Mention that Keycloak requires openid scope

1 file Authored by cheimes 2 years ago, Committed by rcritten 2 years ago,
    docs: Mention that Keycloak requires openid scope
    
    See: https://www.keycloak.org/docs/latest/upgrading/index.html#userinfo-endpoint-changes
    Signed-off-by: Christian Heimes <cheimes@redhat.com>
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>