Return hardcoded CA certs and certification chain.

Issue-ID: AAF-995
Signed-off-by: Bartosz Gardziejewski <bartosz.gardziejewski@nokia.com>
Change-Id: I38b498c4deeedc4ea4323065c5f7b5ddd137209f
diff --git a/certService/pom.xml b/certService/pom.xml
index 194e2ae..ea919f8 100644
--- a/certService/pom.xml
+++ b/certService/pom.xml
@@ -44,6 +44,7 @@
         </springdoc-openapi-maven-plugin.apiDocsUrl>
         <docker-maven-plugin.image-name>onap/${project.artifactId}</docker-maven-plugin.image-name>
         <springdoc-openapi-maven-plugin.version>0.2</springdoc-openapi-maven-plugin.version>
+        <gson.version>2.8.6</gson.version>
     </properties>
 
     <dependencyManagement>
@@ -120,6 +121,11 @@
             <artifactId>bcprov-jdk15on</artifactId>
             <version>${bouncycastle.version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>${gson.version}</version>
+        </dependency>
     </dependencies>
 
     <build>