⬆️ allow phpro/grumphp version 0.17 (#12)

⬆️ allow phpro/grumphp version 0.17

Author: Kanti

composer.json

@@ -26,7 +26,7 @@
     },
     "require": {
         "php": ">=7.2",
-        "phpro/grumphp": "0.16.*"
+        "phpro/grumphp": "0.16.* || 0.17.*"
     },
     "require-dev": {
         "squizlabs/php_codesniffer": ">=3.5.0 <4.0.0"