Fix version of restconf-nb dependency

Fix version of restconf-nb dependency in restconf-client

Issue-ID: CCSDK-3914
Signed-off-by: Dan Timoney <dtimoney@att.com>
Change-Id: If7aefc4581f53374f4daa56abeb6b5d255d7bf47
diff --git a/plugins/restconf-client/provider/pom.xml b/plugins/restconf-client/provider/pom.xml
index afcb597..076dd5d 100755
--- a/plugins/restconf-client/provider/pom.xml
+++ b/plugins/restconf-client/provider/pom.xml
@@ -102,7 +102,7 @@
         <dependency>
             <groupId>org.opendaylight.netconf</groupId>
             <artifactId>restconf-nb</artifactId>
-            <version>4.0.4</version>
+            <version>5.0.6</version>
             <exclusions>
                 <exclusion>
                     <groupId>javax.xml</groupId>