Bump version to 2.3.0 in docker

Issue-ID: POLICY-3105
Change-Id: Ieabed46bee9f553aaf75445327c384f7ed3e9fb0
Signed-off-by: Jim Hahn <jrh3@att.com>
diff --git a/policy-jdk/alpine/pom.xml b/policy-jdk/alpine/pom.xml
index 4fbe181..0964f24 100644
--- a/policy-jdk/alpine/pom.xml
+++ b/policy-jdk/alpine/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.onap.policy.docker</groupId>
         <artifactId>policy-jdk</artifactId>
-        <version>2.2.2-SNAPSHOT</version>
+        <version>2.3.0-SNAPSHOT</version>
     </parent>
 
     <packaging>pom</packaging>