Update Copyright Branch 2.1.x

Author: oleibman

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019-2025 PhpSpreadsheet Authors
+Copyright (c) 2019-2026 PhpSpreadsheet Authors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -4,7 +4,7 @@
 [![Code Coverage](https://coveralls.io/repos/github/PHPOffice/PhpSpreadsheet/badge.svg?branch=master)](https://coveralls.io/github/PHPOffice/PhpSpreadsheet?branch=master)
 [![Total Downloads](https://img.shields.io/packagist/dt/PHPOffice/PhpSpreadsheet)](https://packagist.org/packages/phpoffice/phpspreadsheet)
 [![Latest Stable Version](https://img.shields.io/github/v/release/PHPOffice/PhpSpreadsheet)](https://packagist.org/packages/phpoffice/phpspreadsheet)
-[![License](https://img.shields.io/github/license/PHPOffice/PhpSpreadsheet)](https://packagist.org/packages/phpoffice/phpspreadsheet)
+[![License](https://poser.pugx.org/phpoffice/phpspreadsheet/license)](https://packagist.org/packages/phpoffice/phpspreadsheet)
 [![Join the chat at https://gitter.im/PHPOffice/PhpSpreadsheet](https://img.shields.io/badge/GITTER-join%20chat-green.svg)](https://gitter.im/PHPOffice/PhpSpreadsheet)
 
 PhpSpreadsheet is a library written in pure PHP and offers a set of classes that