Revert Spring Boot Uplift

- reverting back to spring 3.1.2
- manual changes to revert as other apps not fully ready for the
  delivery

Issue-ID: CPS-2133
Change-Id: I670b67916fa4a5d4e5bced6548b7fcd5ee12e855
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>
diff --git a/cps-ncmp-rest-stub/cps-ncmp-rest-stub-service/pom.xml b/cps-ncmp-rest-stub/cps-ncmp-rest-stub-service/pom.xml
index 480c28e..a21f961 100644
--- a/cps-ncmp-rest-stub/cps-ncmp-rest-stub-service/pom.xml
+++ b/cps-ncmp-rest-stub/cps-ncmp-rest-stub-service/pom.xml
@@ -46,6 +46,14 @@
             <groupId>org.onap.cps</groupId>
             <artifactId>cps-ncmp-rest</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.eclipse.jetty</groupId>
+            <artifactId>jetty-server</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>jakarta.servlet</groupId>
+            <artifactId>jakarta.servlet-api</artifactId>
+        </dependency>
         <!-- T E S T - D E P E N D E N C I E S -->
         <dependency>
             <groupId>org.spockframework</groupId>