Update TicketService.java

FTW

Author: rodrigoflx

ticket/src/main/java/de/tum/aet/devops25/teamspoved/service/TicketService.java

@@ -24,7 +24,7 @@ public class TicketService {
     private final RestTemplate restTemplate;
 
     // Use @Value to inject the user service URL from application properties or environment variables.
-    @Value("${USER_API_URL:http://user-service:8080}")
+    @Value("${USER_SERVICE_URL:http://user:8082}")
     private String userServiceUrl;
 
     // Metrics