update joda-time from 2.10.3 -> 2.10.6

Author: TheSnoozer

core/pom.xml

@@ -31,7 +31,7 @@
         <dependency>
             <groupId>joda-time</groupId>
             <artifactId>joda-time</artifactId>
-            <version>2.10.3</version>
+            <version>2.10.6</version>
         </dependency>
         <!-- plexus build -->
         <dependency>