Reject float tokens

Prevent tokens with e.g. a dot in it to be interpreted as a float, pass validation and cause an "Token must be a string of integer" exception.

Author: martijngastkemper

src/Http/Requests/VerifySMSToken.php

@@ -28,7 +28,7 @@ public function authorize()
     public function rules()
     {
         return [
-            'token' => 'required|string|numeric',
+            'token' => ['required', 'string', 'regex:/^\d+$/'],
         ];
     }
 }