CHANGELOG for 3.x

3.0.0 (2024-01-13)

Bumped the required PHP version from ^7.4 || ^8.0 to ^8.1
Bumped the compatible Symfony version from ^3.0 || ^4.0 || ^5.0 || ^6.0 to ^5.4 || ^6.4 || ^7.1
Upgraded PHPUnit from ^9.0 to ^10.5 || ^11.4 and updated tests accordingly
- Added composer test script for running tests
Installed friendsofphp/php-cs-fixer and applied Fusonic's code style
- Added composer phpcs:check script for validating code style
- Added composer phpcs:fix script for fixing code style violations
Installed phpstan/phpstan, phpstan/phpstan-deprecation-rules, phpstan/phpstan-phpunit and phpstan/phpstan-strict-rules and fixed reported errors
- Added composer phpstan script for validating code
Updated documentation
Switched to GitHub actions for automated testing