chore: update year in readme, version output, etc.

Author: striezel

changelog.md

@@ -1,6 +1,6 @@
 # Version history of webp-viewer
 
-## Version 0.?.? (2024-06-??)
+## Version 0.?.? (2025-01-??)
 
 Adjustments are made to provide builds for Ubuntu 24.04 LTS, too.
 

readme.md

@@ -97,7 +97,7 @@ A changelog is provided as [separate file](./changelog.md).
 
 ## Copyright and Licensing
 
-Copyright 2022, 2023, 2024  Dirk Stolle
+Copyright 2022, 2023, 2024, 2025  Dirk Stolle
 
 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

webp-viewer/main.cpp

@@ -40,7 +40,7 @@ void showVersion()
             << "Library versions:\n"
             << "  * libwebp: " << webp_version() << "\n"
             << "  * glfw:    " << glfw_version() << "\n\n"
-            << "Copyright (C) 2022, 2023, 2024  Dirk Stolle\n"
+            << "Copyright (C) 2022, 2023, 2024, 2025  Dirk Stolle\n"
             << "License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>\n"
             << "This is free software: you are free to change and redistribute it under the\n"
             << "terms of the GNU General Public License version 3 or any later version.\n"