Fix security alert by upgrading jackson to 2.9.9

Author: oliemansm

examples/osgi/apache-karaf-feature/pom.xml

@@ -13,7 +13,7 @@
     <packaging>feature</packaging>
 
     <properties>
-        <jackson.version>2.9.8</jackson.version>
+        <jackson.version>2.9.9</jackson.version>
     </properties>