DhcpL2relay must use 1.13.8 tag of ONOS

Change-Id: Ifbafe165cadc7149f17c641280bf92c11f27bc03
diff --git a/pom.xml b/pom.xml
index ba11295..9cc86ba 100755
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-dependencies</artifactId>
-        <version>1.13.6</version>
+        <version>1.13.8</version>
         <relativePath></relativePath>
     </parent>
 
@@ -43,7 +43,7 @@
         <onos.app.requires>
             org.opencord.sadis
         </onos.app.requires>
-        <onos.version>1.13.6</onos.version>
+        <onos.version>1.13.8</onos.version>
         <sadis.api.version>3.0.0</sadis.api.version>
     </properties>