Remove doctrine/dbal:^4 support

Tests fail with:
`PHP Fatal error:  Declaration of Illuminate\Database\PDO\Concerns\ConnectsToDatabase::connect(array $params, $username = null, $password = null, array $driverOptions = []) must be compatible with Doctrine\DBAL\Driver::connect(array $params): Doctrine\DBAL\Driver\Connection in /home/runner/work/laravel-ide-helper/laravel-ide-helper/vendor/laravel/framework/src/Illuminate/Database/PDO/Concerns/ConnectsToDatabase.php on line 22`

Author: mfn

composer.json

@@ -24,7 +24,7 @@
         "ext-json": "*",
         "barryvdh/reflection-docblock": "^2.0.6",
         "composer/class-map-generator": "^1.0",
-        "doctrine/dbal": "^2.6 || ^3 || ^4",
+        "doctrine/dbal": "^2.6 || ^3",
         "illuminate/console": "^8 || ^9 || ^10",
         "illuminate/filesystem": "^8 || ^9 || ^10",
         "illuminate/support": "^8 || ^9 || ^10",