Release app version 2.4.0 with API version 2.4.0

Change-Id: I87c0643c28109a60371189397a246ac8c409d6f1
diff --git a/api/pom.xml b/api/pom.xml
index 53511e3..8ef2b29 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>aaa</artifactId>
         <groupId>org.opencord</groupId>
-        <version>2.4.0-SNAPSHOT</version>
+        <version>2.4.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>