Some OAuth tokens created in 2.8 are not parsed in 3.x

The change in storage format of PKCS information introduced in version 3.0 is causing legacy tokens not to be parsed.

Caused by: com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field "codeChallenge" (class pl.edu.icm.unity.oauth.as.OAuthToken), not marked as ignorable (20 known properties: "clientUsername", "audience", "clientType", "requestedScope", "tokenValidity", "subject", "effectiveScope", "maxExtendedValidity", "redirectUri", "openidInfo", "openidToken", "accessToken", "clientName", "userInfo", "responseType", "refreshToken", "authzCode", "clientId", "issuerUri", "pkcsInfo"])

...

at pl.edu.icm.unity.oauth.as.OAuthToken.getInstanceFromJson(OAuthToken.java:79)