Update version of release branch to common: 0.28.2-SNAPSHOT, aws: 0.28.3-SNAPSHOT

[ci skip]

testing/notification-test-aws/build-aws/push-endpoint/pom.xml

@@ -23,7 +23,7 @@ limitations under the License.
     <groupId>org.example</groupId>
     <artifactId>notification-push-endpoint</artifactId>
     <packaging>jar</packaging>
-    <version>0.28.2-SNAPSHOT</version>
+    <version>0.28.3-SNAPSHOT</version>
 
     <parent>
         <groupId>org.springframework.boot</groupId>

testing/notification-test-aws/pom.xml

@@ -27,7 +27,7 @@
 
     <groupId>org.opengroup.osdu</groupId>
     <artifactId>notification-test-aws</artifactId>
-    <version>0.28.2-SNAPSHOT</version>
+    <version>0.28.3-SNAPSHOT</version>
     <name>notification-test-aws</name>
     <description>AWS Integration tests for Notification Service</description>
     <packaging>jar</packaging>