OZG-7689 add json autostarter

vorgang-manager-server/pom.xml

@@ -187,6 +187,10 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-data-elasticsearch</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-json</artifactId>
+		</dependency>
 
 		<dependency>
 			<groupId>io.grpc</groupId>