fix: put right namespace for eventdispatcher

Author: Kevin-koko

examples/redis_worker.php

@@ -13,7 +13,7 @@
 use Rezzza\CommandBus;
 
 $logger          = new Logger();
-$eventDispatcher = new Symfony\Contracts\EventDispatcher\EventDispatcher();
+$eventDispatcher = new Symfony\Component\EventDispatcher\EventDispatcher();
 
 // redis bus
 $redis = new \Redis();

src/Domain/ContainerAwareEventDispatcherBus.php

@@ -3,7 +3,7 @@
 namespace Rezzza\CommandBus\Domain;
 
 use Symfony\Component\DependencyInjection\ContainerInterface;
-use Symfony\Contracts\EventDispatcher\EventDispatcher;
+use Symfony\Component\EventDispatcher\EventDispatcher;
 
 class ContainerAwareEventDispatcherBus extends EventDispatcher
 {

src/Infra/Provider/Direct/DirectBus.php

@@ -7,7 +7,6 @@
 use Rezzza\CommandBus\Domain\Handler\CommandHandlerLocatorInterface;
 use Rezzza\CommandBus\Domain\Handler\HandlerDefinition;
 use Rezzza\CommandBus\Domain\Handler\HandlerMethodResolverInterface;
-use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
 
 class DirectBus implements CommandBusInterface
 {