Update version of default branch to 0.6.0-SNAPSHOT

pom.xml

@@ -21,7 +21,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.opengroup.osdu</groupId>
     <artifactId>os-register</artifactId>
-    <version>1.0.0</version>
+    <version>0.6.0-SNAPSHOT</version>
     <description>Root Register Service project</description>
 
     <packaging>pom</packaging>