Update composer.json

Author: ajaydsouza

composer.json

@@ -28,8 +28,8 @@
         "phpcompatibility/phpcompatibility-wp": "^2",
         "yoast/phpunit-polyfills": "^3",
         "phpunit/phpunit": "^5.7.21 || ^6.5 || ^7.5 || ^8",
-        "szepeviktor/phpstan-wordpress": "^1.3",
-        "phpstan/phpstan": "^1.12",
+        "szepeviktor/phpstan-wordpress": "^1",
+        "phpstan/phpstan": "^1",
         "phpstan/extension-installer": "^1.4"
     },
     "config": {