Add missing import and run spotlessApply

Author: emlun

webauthn-server-core/src/main/java/com/yubico/webauthn/RegisteredCredential.java

@@ -26,6 +26,7 @@
 
 import COSE.CoseException;
 import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.yubico.webauthn.data.AttestedCredentialData;
 import com.yubico.webauthn.data.AuthenticatorAssertionResponse;

webauthn-server-core/src/main/java/com/yubico/webauthn/RegistrationResult.java

@@ -270,6 +270,7 @@ public ByteArray getPublicKeyCose() {
 
   /**
    * The public key of the created credential, as a {@link java.security.PublicKey} object.
+   *
    * <p>Provided for convenience.
    */
   @NonNull