Merge pull request #27 from systemsdk/3.6.x

doctrine 3.5, updated composer dependencies.

symfony 7.3, mysql 8.4.5, rabbitmq 4.1, redis 8, xdebug 3.4.4, update…

…d composer dependencies and documentation.

Updated composer dependencies.

Updated composer dependencies. Added xalan tool for generating phpcpd…

… html report.

Updated composer dependencies.

Updated composer dependencies, updated xdebug and phpcpd.

Updated composer dependencies, small refactoring.

Updated composer dependencies, xdebug 3.4.1, MySQL 8.4.4.

php 8.4 & xdebug 3.4.0, symfony 7.2, mysql 8.4.3, rabbitmq 4, phpcpd …

…8.0.0, updated composer dependencies, refactoring.

Updated composer dependencies, refactoring, added new security checke…

…r, added phpstan-deprecation-rules.