Implement JSON security context serializer (new default) - smaller info and human readable (#2652)

keeps backward compatibility by being able to fallback to JAVA_SERIALIZATION

+ fix DMF messages with status code

Signed-off-by: Avgustin Marinov <Avgustin.Marinov@bosch.com>

hawkbit-security-core/pom.xml

@@ -54,5 +54,10 @@
             <artifactId>jakarta.servlet-api</artifactId>
             <scope>provided</scope>
         </dependency>
+
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+        </dependency>
     </dependencies>
 </project>