go-oidfed 0.3.0

This release mainly updates the lib to the latest spec.

This includes some changes to the metadata policies. The test vectors on https://connect2id.com/blog/metadata-policy-test-vectors-openid-federation are passing with the updated implementation.

Custom metadata policy operator would need to be updated.

Some smaller changes include:

• Updating dependencies
• Allow logo_uri config option for the example TA and RP
• Allow client_name config option for the example RP
• Allow self-issued trust marks in the trust mark refresher.