Remove unused doctrine/annotations dependency, dropping PHP <8.3 support

• Removes seemingly unused doctrine/annotations dependency
• Drops support for PHP <8.3

Upgrade deprecated actions/cache in workflow to v4

Upgraded actions/cache to v4 in accordance with notice of v1/v2 package closing down.

https://github.blog/changelog/2024-12-05-notice-of-upcoming-releases-and-breaking-changes-for-github-actions/#actions-cache-v1-v2-and-actions-toolkit-cache-package-closing-down

Add Symfony 6 compatibility, removing unneeded compatibilities

Add Symfony 6 compatibility, removing unneeded compatibilities (#74)

* Drop php<=8.0 support, add php>=8.1 support

* Drop symfony 4 support, add symfony 6 support

* Remove useless @return annotation

Add support for mixed and ReflectionUnionType

• Added support for PHP8 and mixed / union type hints
• Dropped support for PHP7

Update phpcs-tool to 9.1.0 with Hostnet-Level-2

• Explicitly configure allow-plugins
• Fixes in tests before upgrading phpcs-tool
• Upgrade phpcs-tool to 9.0.0
• Add phpcs to gitlab workflow
• Php8 fixes
• Update phpcs-tool to 9.1.0 with Hostnet-Level-2

Force newer version of doctrine/annotations

• Forces doctrine/annotations ^1.13.2

End twig/twig:2 support

• Ends twig/twig:2 support

php 8 support

3.0.8

added php 8 to ci

Update phpdocumentor/type-resolver version

• Updates phpdocumentor/type-resolver version

PHP 7.4 ReflectionType deprecation fixes

PHP 7.4 ReflectionType deprecation fixes