Update GSON lib

Author: skyforce77

pom.xml

@@ -145,6 +145,12 @@
       <artifactId>javase</artifactId>
       <version>3.5.1</version>
     </dependency>
+
+    <dependency>
+      <groupId>com.google.code.gson</groupId>
+      <artifactId>gson</artifactId>
+      <version>2.10.1</version>
+    </dependency>
   </dependencies>
 
   <build>

src/main/java/com/authlete/jaxrs/server/api/CredentialOfferPageModel.java

@@ -29,16 +29,16 @@
 import com.authlete.jaxrs.AuthorizationPageModel;
 import com.authlete.jaxrs.server.util.ExceptionUtil;
 import com.authlete.jaxrs.server.util.ProcessingUtil;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
 import com.google.gson.JsonElement;
+import com.google.gson.JsonParseException;
 import com.google.gson.JsonParser;
 import com.google.zxing.BarcodeFormat;
 import com.google.zxing.WriterException;
 import com.google.zxing.client.j2se.MatrixToImageWriter;
 import com.google.zxing.common.BitMatrix;
 import com.google.zxing.qrcode.QRCodeWriter;
-import com.nimbusds.jose.shaded.gson.Gson;
-import com.nimbusds.jose.shaded.gson.GsonBuilder;
-import com.nimbusds.jose.shaded.gson.JsonParseException;
 
 
 /**