Fix jackson-databind security alert (#304)

* Fix jackson-databind security alert, 2.9.9 -> 2.9.9.1

Author: Christoffer-Cortes

pom.xml

@@ -173,7 +173,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.9.9</version>
+            <version>2.9.9.1</version>
         </dependency>
 
         <dependency>