Replace deprecated autoload_files parameter

See https://github.com/phpstan/phpstan/releases/tag/0.12.26

Author: brambaud

composer.json

@@ -12,7 +12,7 @@
     "require": {
         "php": "^7.1",
         "nette/finder": "^2.5",
-        "phpstan/phpstan": "^0.12.0",
+        "phpstan/phpstan": "^0.12.26",
         "symfony/yaml": "~3.4.5|^4.2",
         "webflo/drupal-finder": "^1.2"
     },

extension.neon

@@ -1,5 +1,5 @@
 parameters:
-	autoload_files:
+	bootstrapFiles:
 		- drupal-autoloader.php
 	excludes_analyse:
 		- *.api.php