ISSUE-16: PHP 8.4 upgrade

Author: robiningelbrecht

.github/workflows/ci.yml

@@ -6,6 +6,8 @@ jobs:
   ci:
     name: Run CI
     runs-on: ubuntu-latest
+    env:
+      PHP_CS_FIXER_IGNORE_ENV: true
     steps:
       # https://github.com/marketplace/actions/setup-php-action
       - name: Setup PHP 8.4

src/Infrastructure/CQRS/Bus/CommandHandlerBuilder.php

@@ -11,7 +11,7 @@
     /**
      * @param iterable<CommandHandler> $commandHandlers
      *
-     * @return array<string, array<int,array<int, CommandHandler|string>>>
+     * @return array<string, non-empty-list<\Closure>>
      */
     public function fromCallables(iterable $commandHandlers): array
     {

src/Infrastructure/CQRS/Bus/InMemoryCommandBus.php

@@ -26,8 +26,7 @@ public function __construct(
         $this->bus = new MessageBus([
             new HandleMessageMiddleware(
                 new HandlersLocator(
-                    // @phpstan-ignore-next-line
-                    (new CommandHandlerBuilder())->fromCallables($commandHandlers),
+                    new CommandHandlerBuilder()->fromCallables($commandHandlers),
                 ),
             ),
         ]);