Bump up metrics service related dependencies from 3.1.2 to 3.2.2

Change-Id: Ic9a1eae0fb50cf551b750468759491bb87cb84c9
diff --git a/apps/graphitemetrics/pom.xml b/apps/graphitemetrics/pom.xml
index b7a9a2e..556949e 100644
--- a/apps/graphitemetrics/pom.xml
+++ b/apps/graphitemetrics/pom.xml
@@ -35,7 +35,7 @@
         <onos.app.title>Graphite Report and Query App</onos.app.title>
         <onos.app.category>Monitoring</onos.app.category>
         <onos.app.url>http://onosproject.org</onos.app.url>
-        <metrics.version>3.1.2</metrics.version>
+        <metrics.version>3.2.2</metrics.version>
     </properties>
 
     <dependencies>