Changelog for version 4.0.0

Added clearstatcache() into SharedFileRestart

Fixed last @Covers annotation

Marke RabbitMqDriver as deprecated

Removed test of php 8.0

Merge pull request tomaj#30 from lulco/patch-2

Removed parameter from callback

Rabbitmq - changed gueue declrat third parameter to false

Version 2.2.0

Fixed serializer - forcing floatval for execute_at

Added retry

- use `RetryTrait` to handler when you would like to retry failed handlers
- for proper retry funcionality you have to use driver that supports delayed executions with `executeAt` message param