Update an existing policy

Example request

{
  "label": "View Compensation",
  "description": "This policy allows compensation to be viewed.",
  "rules": [
    {
      "departmentIds": [
        "588f7ee98f138b19220041a7"
      ],
      "filter": "department:engineering and under:me",
      "targets": [
        {
          "personId": "588f7ee98f138b19220041a7"
        }
      ]
    }
  ]
}