[VOL-2778] Updating kafka dependency on dhcpl2relay 2.2.0-SNAPSHOT

Change-Id: Ie50d393c228f505874e193cb7f46efaeaf51da9e
diff --git a/pom.xml b/pom.xml
index 10b71ab..8ce4f7e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -39,7 +39,7 @@
         <onos.app.readme>Integration with Kafka event bus</onos.app.readme>
         <aaa.api.version>2.1.0</aaa.api.version>
         <olt.api.version>4.2.0-SNAPSHOT</olt.api.version>
-        <dhcpl2relay.api.version>2.1.0</dhcpl2relay.api.version>
+        <dhcpl2relay.api.version>2.2.0-SNAPSHOT</dhcpl2relay.api.version>
         <bng.api.version>1.0.0</bng.api.version>
         <sadis.api.version>5.1.0</sadis.api.version>
         <igmp.api.version>2.1.1</igmp.api.version>