Update Java to 25

Author: ak-git

helidon/src/main/java/com/ak/helidon/Main.java

@@ -13,7 +13,7 @@ public class Main {
   private Main() {
   }
 
-  public static void main(String[] args) {
+  public static void main() {
     LogConfig.configureRuntime();
     WebServer server = WebServer.builder().config(Config.create().get("server")).routing(Main::routing).build().start();
     Logger.getLogger(Main.class.getName()).info(() -> "WEB server is up! http://localhost:%d/simple-greet%n".formatted(server.port()));

helidon/src/test/java/com/ak/helidon/MainTest.java

@@ -6,6 +6,6 @@
 class MainTest {
   @Test
   void test() {
-    Assertions.assertDoesNotThrow(() -> Main.main(new String[]{}));
+    Assertions.assertDoesNotThrow(Main::main);
   }
 }