Update dependency com.fasterxml.jackson.core:jackson-databind to v2.7.8

Author: mend-for-github-com[bot]

pom.xml

@@ -52,7 +52,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.8</version>
         </dependency>
         <dependency>
             <groupId>org.apache.tomcat</groupId>