feat: upgrade to symfony 7.4

rector.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\Symfony\Set\SymfonySetList;
+
+return RectorConfig::configure()
+    ->withPaths([
+        __DIR__ . '/src',
+        __DIR__ . '/tests',
+    ])
+    ->withSymfonyContainerXml(__DIR__ . '/var/cache/dev/App_KernelDevDebugContainer.xml')
+    // Upgrade rules bound to the Symfony / Twig / Doctrine versions currently
+    // installed (resolved from composer.lock). Bump the constraints and run
+    // `composer update` before executing Rector so it targets 7.x.
+    ->withComposerBased(twig: true, doctrine: true, symfony: true)
+    ->withSets([
+        SymfonySetList::CONFIGS,
+    ])
+    ->withSkip([
+        // Generated migrations are frozen once shipped.
+        __DIR__ . '/migrations',
+        __DIR__ . '/src/**/DoctrineMigrations',
+    ])
+    ->withParallel();