Update the OSIN dependency of oauth-server to the latest version

In order for the OAuth2 Authorization Code Grant Flow to work in oc browser login, the OSIN server must ignore any port used in the Redirect URIs of the flow when the URIs are the loopback addresses. This has already been added to OSIN; we need to update the oauth-server to use the latest version of OSIN in order to make use of this capability.