Update to latest Jackson dependency.

Author: sowerstl

pom.xml

@@ -12,7 +12,7 @@
 		<jdk.version>1.8</jdk.version>
         <jersey.version>2.22.2</jersey.version>
         <httpclient.version>4.5.2</httpclient.version>
-        <jackson.version>2.9.0</jackson.version>
+        <jackson.version>2.9.7</jackson.version>
 		<commons-io.version>2.6</commons-io.version>
         <projectName>doecodeapi</projectName>
         <datacite.url>https://mds.test.datacite.org/</datacite.url>