Require ^0.12.64

Author: mglaman

composer.json

@@ -12,7 +12,7 @@
     "require": {
         "php": "^7.1",
         "nette/finder": "^2.5",
-        "phpstan/phpstan": "dev-master",
+        "phpstan/phpstan": "^0.12.64",
         "symfony/yaml": "~3.4.5|^4.2",
         "webflo/drupal-finder": "^1.2"
     },