use ignition v2 (#5211)

composer.json

@@ -15,6 +15,7 @@
         "laravel/tinker": "^2.0"
     },
     "require-dev": {
+        "facade/ignition": "^2.0",
         "fzaninotto/faker": "^1.9",
         "mockery/mockery": "^1.3.1",
         "nunomaduro/collision": "^4.0",