Loosen phpstan/larastan constraints

`assertIsArray` has been removed because, as phpstan rightly complained, it's not possible otherwise: the return type of `formatError` is always an error

composer.json

@@ -47,8 +47,8 @@
         "friendsofphp/php-cs-fixer": "3.37.1",
         "mfn/php-cs-fixer-config": "^2",
         "mockery/mockery": "^1.2",
-        "phpstan/phpstan": "1.10.40",
-        "larastan/larastan": "2.6.4",
+        "phpstan/phpstan": "^1",
+        "larastan/larastan": "^2",
         "orchestra/testbench": "^7.0|^8.0|^9.0|^9.x-dev",
         "phpunit/phpunit": "^9|^10",
         "thecodingmachine/phpstan-safe-rule": "^1"

phpstan-baseline.neon

@@ -1415,11 +1415,6 @@ parameters:
 			count: 1
 			path: tests/Unit/ExecutionMiddlewareTest/ChangeQueryArgTypeMiddleware.php
 
-		-
-			message: "#^Call to static method PHPUnit\\\\Framework\\\\Assert\\:\\:assertIsArray\\(\\) with non\\-empty\\-array will always evaluate to true\\.$#"
-			count: 1
-			path: tests/Unit/GraphQLTest.php
-
 		-
 			message: "#^Parameter \\#1 \\$abstract of function app expects string\\|null, object\\|string given\\.$#"
 			count: 3

tests/Unit/GraphQLTest.php

@@ -310,7 +310,6 @@ public function testFormatError(): void
         unset($error['extensions']['file']);
         unset($error['extensions']['line']);
 
-        self::assertIsArray($error);
         self::assertArrayHasKey('message', $error);
         self::assertArrayHasKey('locations', $error);
         $expectedError = [