Bumping onos-yang-tool version to 1.3

Change-Id: I3c9291c53a07f1447a5286a040b5cf5cf8384e79
diff --git a/providers/netconf/flow/pom.xml b/providers/netconf/flow/pom.xml
index 56bf527..8ee4c4e 100644
--- a/providers/netconf/flow/pom.xml
+++ b/providers/netconf/flow/pom.xml
@@ -73,7 +73,7 @@
         <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onos-yang-tool</artifactId>
-            <version>1.2.0-SNAPSHOT</version>
+            <version>1.3</version>
         </dependency>
     </dependencies>