Change print line to the task of 2.5

src/main/java/com/example/demo/DemoApplication.java

@@ -10,7 +10,7 @@ public class DemoApplication {
 
 	public static void main(String[] args) {
 		System.out.println("Start application");
-		System.out.println("Hello, this is the task 2.3!");
+		System.out.println("Hello, this is the task 2.5!");
 		System.out.println(new Date());
 		SpringApplication.run(DemoApplication.class, args);
 	}