[maven-release-plugin] prepare for next development iteration

Author: sswguo

pom.xml

@@ -25,7 +25,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.commonjava.indy.service</groupId>
   <artifactId>indy-repository-service</artifactId>
-  <version>2.2</version>
+  <version>2.3-SNAPSHOT</version>
   <name>Indy :: Service :: Repository</name>
   <url>https://github.com/Commonjava/indy-repository-service</url>
   <description>Indy Repository Service</description>