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/checkstyle/pom.xml b/checkstyle/pom.xml
index 9ecfa2d..0f328e6 100644
--- a/checkstyle/pom.xml
+++ b/checkstyle/pom.xml
@@ -26,7 +26,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.onap.cps</groupId>
     <artifactId>checkstyle</artifactId>
-    <version>3.5.0-SNAPSHOT</version>
+    <version>3.5.1-SNAPSHOT</version>
 
     <profiles>
         <profile>