fixes #142 resolve the import for one of the exceptions

Author: stevehu

src/main/java/com/networknt/aws/lambda/handler/middleware/security/JwtVerifyMiddleware.java

@@ -4,6 +4,7 @@
 import com.networknt.aws.lambda.LightLambdaExchange;
 import com.networknt.aws.lambda.handler.middleware.specification.OpenApiMiddleware;
 import com.networknt.aws.lambda.utility.HeaderKey;
+import com.networknt.security.VerificationException;
 import com.networknt.utility.MapUtil;
 import com.networknt.config.Config;
 import com.networknt.exception.ExpiredTokenException;