Bump CPS version to 3.5.1-SNAPSHOT

- bump cps version to 3.5.1-SNAPSHOT
- updated release notes to make it ready for the next release

Issue-ID: CPS-2283
Change-Id: I242cae7c95a87c1a9e225cce3eb7b36097f1e5ba
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>
diff --git a/cps-ncmp-events/pom.xml b/cps-ncmp-events/pom.xml
index 3804e5b..befae04 100644
--- a/cps-ncmp-events/pom.xml
+++ b/cps-ncmp-events/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.onap.cps</groupId>
         <artifactId>cps-parent</artifactId>
-        <version>3.5.0-SNAPSHOT</version>
+        <version>3.5.1-SNAPSHOT</version>
         <relativePath>../cps-parent/pom.xml</relativePath>
     </parent>