Fix CS

Author: ondrejmirtes

tests/PHPStan/Rules/Functions/CallToFunctionParametersRuleTest.php

@@ -865,7 +865,7 @@ public function testArrayFilterCallback(bool $checkExplicitMixed): void
 			],
 		];
 		if ($checkExplicitMixed) {
-			$errors[]  =[
+			$errors[] = [
 				'Parameter #2 $callback of function array_filter expects callable(mixed): mixed, Closure(int): true given.',
 				20,
 			];