reduce CDS java security vulnerabilities

  upgrade to spring-boot 2.7.18 (Last spring-boot 2.x version)
  upgrade the additional versions inside the cds

Issue-ID: CCSDK-3981
Signed-off-by: Frank Kimmlingen <frank.kimmlingen@telekom.de>
Change-Id: I239fbdb8b6f58095d805399c6f9ed3af6e7b42fe
diff --git a/pom.xml b/pom.xml
index 847e124..bc2bca4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
 
     <parent>
         <groupId>org.onap.ccsdk.parent</groupId>
-        <artifactId>spring-boot-26-starter-parent</artifactId>
+        <artifactId>spring-boot-27-starter-parent</artifactId>
         <version>2.6.1</version>
         <relativePath/>
     </parent>
@@ -76,7 +76,7 @@
         <ccsdk.sli.version>1.5.2</ccsdk.sli.version>
         <ccsdk.cds.version>${project.version}</ccsdk.cds.version>
 
-        <kotlin.version>1.6.21</kotlin.version>
+        <kotlin.version>1.7.0</kotlin.version>
         <kotlin.maven.version>1.6.21</kotlin.maven.version>
         <kotlin.couroutines.version>1.6.4</kotlin.couroutines.version>
         <kotlinpoet.version>1.11.0</kotlinpoet.version>
@@ -85,7 +85,7 @@
         <grpc.version>1.29.0</grpc.version>
         <netty-ssl>2.0.50.Final</netty-ssl>
         <protobuff.java.version>3.10.0</protobuff.java.version>
-        <protobuff.java.utils.version>3.10.0</protobuff.java.utils.version>
+        <protobuff.java.utils.version>3.16.3</protobuff.java.utils.version>
         <mockk.version>1.12.8</mockk.version>
 
     </properties>