Updating jackson databind version. (#9)

Author: Tin-Pui

pom.xml

@@ -65,7 +65,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.7.2</version>
+            <version>2.8.11.1</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>