Prepare the next drop by bumping patch version

- Bumping modules up to 3.2.7-SNAPSHOT
- Update version.properties and release notes

Issue-ID: CPS-1577
Change-Id: Ib223c8bea164c42caceaba31a13f43c77d55c48c
Signed-off-by: halil.cakal <halil.cakal@est.tech>
diff --git a/cps-service/pom.xml b/cps-service/pom.xml
index a4f6830..86fef36 100644
--- a/cps-service/pom.xml
+++ b/cps-service/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>org.onap.cps</groupId>
     <artifactId>cps-parent</artifactId>
-    <version>3.2.6-SNAPSHOT</version>
+    <version>3.2.7-SNAPSHOT</version>
     <relativePath>../cps-parent/pom.xml</relativePath>
   </parent>