Update dependency driftingly/rector-laravel to v2.1.4

| datasource | package                   | from  | to    |
| ---------- | ------------------------- | ----- | ----- |
| packagist  | driftingly/rector-laravel | 2.1.3 | 2.1.4 |

Author: renovate[bot]

composer.json

@@ -24,7 +24,7 @@
         "spatie/laravel-sluggable": "3.7.5"
     },
     "require-dev": {
-        "driftingly/rector-laravel": "2.1.3",
+        "driftingly/rector-laravel": "2.1.4",
         "fakerphp/faker": "1.24.1",
         "larastan/larastan": "3.8.0",
         "laravel/telescope": "5.15.1",