Update changelog

Author: Igor Kusmitsch

CHANGELOG.md

@@ -1,5 +1,21 @@
 # Changelog
 
+## [6.0.0]
+
+Changed
+- [BC Break] Doctrine Annotations are no longer used in this project. Annotations have been replaced by PHP attributes. If your codebase or any third-party dependencies still rely on annotations, please migrate to attributes or adjust accordingly.
+- [BC Break] The project now requires PHP 8.2 or higher. Ensure that your development and production environments are updated to PHP 8.2+.
+- [BC Break] The project now requires PHPUnit version 11 or higher. Ensure that your environment is compatible with PHPUnit 11+ before running tests.
+- [BC Break] All classes previously marked with @deprecated and replaced by {@link Laminas} have been removed. If your code still relies on these deprecated classes, please update your references to use the corresponding Laminas classes.
+
+- Add squizlabs/php_codesniffer library.
+- Add require-dev ext-pcov for PHPUnit Code Coverage
+- PHPCS Coding Standard: The project now exclusively uses PSR-12 as the coding standard. This change ensures that the code adheres to the PSR-12 guidelines, promoting consistency and readability.
+- Updated the laminas/laminas-filter bundle from version ^2.9 to ^2.37
+- Remove the laminas/laminas-zendframework-bridge bundle.
+- Remove the dms/coding-standard bundle.
+
+
 From v3.0.0 onwards this file will always be updated with notable changes and BC breaks.
 This project follows semver.