Upgrade commons codec version to 1.6 to avoid dependency duplication on the distribution

git-svn-id: https://svn.apache.org/repos/asf/tuscany/sca-java-2.x/trunk@1503109 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/modules/binding-atom-runtime/pom.xml b/modules/binding-atom-runtime/pom.xml
index b39f4e5..425ec21 100644
--- a/modules/binding-atom-runtime/pom.xml
+++ b/modules/binding-atom-runtime/pom.xml
@@ -191,7 +191,7 @@
         <dependency>
            <groupId>commons-codec</groupId>
            <artifactId>commons-codec</artifactId>
-           <version>1.4</version>
+           <version>1.6</version>
         </dependency>
 
         <dependency>