Update busy port detection command

Change deprecated busy port detection command with the utility
to dump socket statistics.

core/runtime/src/main/java/io/quarkus/runtime/ApplicationLifecycleManager.java

@@ -183,7 +183,7 @@ public static void run(Application application, Class<? extends QuarkusApplicati
                     } else {
                         for (Integer port : ports) {
                             applicationLogger
-                                    .warnf("Use 'netstat -anop | grep %d' to identify the process occupying the port.", port);
+                                    .warnf("Use 'ss -anop | grep %d' to identify the process occupying the port.", port);
                         }
                         applicationLogger.warn("You can try to kill it with 'kill -9 <pid>'.");
                     }