fix(vercel): convert owner into type object

domains/_vercel.karl.json

@@ -1,6 +1,8 @@
 {
-    "owner": "Xaidel",
-    "email": "abechuelak@gmail.com",
+    "owner": {
+        "username": "Xaidel",
+        "email": "abechuelak@gmail.com"
+    },
     "records": {
         "TXT": "vc-domain-verify=karl.is-a.dev,f2172b2f98c6a7bff612"
     }