Update snapshot version to 1.5.3

after release

Change-Id: I640a611503c35a6f75331f1d11e5781131e05cdb
Issue-ID: DCAEGEN2-2088
Signed-off-by: Joanna Jeremicz <joanna.jeremicz@nokia.com>
diff --git a/pom.xml b/pom.xml
index d4ad3c3..db3de14 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,7 +32,7 @@
 
   <groupId>org.onap.dcaegen2.services</groupId>
   <artifactId>prh</artifactId>
-  <version>1.5.2-SNAPSHOT</version>
+  <version>1.5.3-SNAPSHOT</version>
 
   <name>dcaegen2-services-prh</name>
   <description>PNF Registration Handler</description>