pom: Set version to 0.3.0-SNAPSHOT

Author: dhickin

normativeTypesJava/pom.xml

@@ -9,7 +9,7 @@
     </parent>
 
     <artifactId>epics-ntypes</artifactId>
-    <version>0.2.0-SNAPSHOT</version>
+    <version>0.3.0-SNAPSHOT</version>
 
     <name>normativeTypesJava</name>
     <url>https://github.com/epics-base/normativeTypesJava</url>