increase minor version to 1.3.0-SNAPSHOT

pom.xml

diff --git a/pom.xml b/pom.xml
index 991319e..fe5674e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
     
     <artifactId>org.apache.sling.caconfig.api</artifactId>
     <packaging>jar</packaging>
-    <version>1.2.1-SNAPSHOT</version>
+    <version>1.3.0-SNAPSHOT</version>
     <name>Apache Sling Context-Aware Configuration API</name>
     <description>Apache Sling Context-Aware Configuration API</description>