List workspaces

curl --request GET \
  --url https://app.mavera.io/api/v1/workspaces \
  --header 'Authorization: Bearer <token>'

{
  "object": "list",
  "data": [
    {
      "id": "<string>",
      "object": "workspace",
      "name": "<string>",
      "image": "<string>",
      "is_owner": true,
      "member_count": 123,
      "project_count": 123,
      "thread_count": 123,
      "budget_alert": 123,
      "usage_limit": 123,
      "billing_email": "<string>",
      "members": [
        {
          "object": "workspace.member",
          "user_id": "<string>",
          "email": "jsmith@example.com",
          "joined_at": "2023-11-07T05:31:56Z"
        }
      ],
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ],
  "has_more": true,
  "next_cursor": "<string>"
}