chore: Update copyright year

MikeWang000000 · MikeWang000000 · commit f08a886baab1 · 2025-10-26T03:42:50.000+08:00
diff --git a/natter-check/natter-check.py b/natter-check/natter-check.py
@@ -2,7 +2,7 @@
 
 '''
 NatterCheck - https://github.com/MikeWang000000/Natter
-Copyright (C) 2023  MikeWang000000
+Copyright (C) 2025  MikeWang000000
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/natter.py b/natter.py
@@ -2,7 +2,7 @@
 
 '''
 Natter - https://github.com/MikeWang000000/Natter
-Copyright (C) 2023  MikeWang000000
+Copyright (C) 2025  MikeWang000000
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
