`client_secret_expires_at` returns an `Int` not `String`

[anosidium]

The documentation states that client_secret_expires_at attribute returns a String but the JSON response returns an Int.

{
  "id": "...",
  "name": "MyApp",
  "website": "https://www.example.com",
  "scopes": [
    "read",
    "write",
    "push"
  ],
  "redirect_uris": [
    "https://app.example/callback"
  ],
  "vapid_key": "...",
  "redirect_uri": "https://app.example/callback",
  "client_id": "...",
  "client_secret": "...",
  "client_secret_expires_at": 0
}