fix jackson version for security

bump to version 2.3.20

Author: SidneyAllen

pom.xml

@@ -4,7 +4,7 @@
 	<groupId>com.github.xeroapi</groupId>
 	<artifactId>xero-java</artifactId>
 	<packaging>jar</packaging>
-	<version>2.3.19</version>
+	<version>2.3.20</version>
 	<name>Xero-Java SDK</name>
 	<description>This is the official Java SDK for Xero API</description>
 	<url>https://github.com/XeroAPI/Xero-Java</url>
@@ -293,7 +293,7 @@
 		<google-api-client-version>1.23.0</google-api-client-version>
 		<jersey-common-version>2.25.1</jersey-common-version>
 		<jackson-version>2.9.10</jackson-version>
-		<jackson-databind>2.9.10</jackson-databind>
+		<jackson-databind>2.9.10.1</jackson-databind>
 		<jackson-threetenbp-version>2.6.4</jackson-threetenbp-version>
         <junit-version>4.12</junit-version>
         <org-apache-httpcomponents>4.5.3</org-apache-httpcomponents>

src/main/java/com/xero/api/JsonConfig.java

@@ -15,7 +15,7 @@
 
 public class JsonConfig implements Config {
 
-	private String SDK_VERSION = "2.3.19";
+	private String SDK_VERSION = "2.3.20";
   private String APP_TYPE = "Public";
   private String USER_AGENT = "Xero-Java-SDK";
   private String ACCEPT = "application/xml";