Update composer.json

Author: jeremykenedy

composer.json

@@ -24,7 +24,7 @@
         }
     ],
     "require": {
-        "php": "^7.2"
+        "php": "^7.2",
         "laravel/framework": "5.3.*|5.4.*|5.5.*|5.6.*|5.7.*|5.8.*|6.*",
         "eklundkristoffer/seedster": "^3.0",
         "laravel/helpers": "^1.1"