Describe the bug

Thank you for a great project and documentation. I ran into a bug (I think) while playing with the 5 minute tutorial.

When revoking an access token that is not found the hydra server returns a 404 response but this is not a defined response in the swagger specification. This leads to an error like `response status code does not match any response statuses defined for thi

Problem Description;
There are 2 filters that have gone undocumented since their inclusion in the code.

openid-connect-modify-token-response-before-validation
https://github.com/oidc-wp/openid-connect-generic/blob/7560701348e004f09df7c831d0703e0bcc173ca2/includes/openid-connect-generic-client-wrapper.php#L365

openid-connect-modify-id-token-claim-before-validation
https://github.com