Update version to 2.13.0

Author: mekya

pom.xml

@@ -2,7 +2,7 @@
     <parent>
         <groupId>io.antmedia</groupId>
         <artifactId>parent</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.13.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ant-media-server</artifactId>