Upgrade Swager Codegen-maven-plugin

- Removed swagger annotations dependency as latest plugin generates
code using v3 annotations.
- updated the method signature as per the new generated code
- removed unnecessary mock springbeans from the WebMvcTest

Issue-ID: CPS-205

Change-Id: Ie7911d7389dca587bde945d913f458de46027e0f
Signed-off-by: JosephKeenan <joseph.keenan@est.tech>
diff --git a/cps-parent/pom.xml b/cps-parent/pom.xml
index 59b4290..938e75e 100755
--- a/cps-parent/pom.xml
+++ b/cps-parent/pom.xml
@@ -122,7 +122,7 @@
                 <plugin>
                     <groupId>io.swagger.codegen.v3</groupId>
                     <artifactId>swagger-codegen-maven-plugin</artifactId>
-                    <version>3.0.18</version>
+                    <version>3.0.27</version>
                 </plugin>
                 <plugin>
                     <groupId>com.github.spotbugs</groupId>