Update a member in the organization

{
  "type": "object",
  "properties": {
    "orgId": {
      "type": "string"
    },
    "role": {
      "type": "string",
      "description": "The new role of the user, \"admin\" or \"collaborator\"."
    },
    "userId": {
      "type": "string"
    }
  },
  "required": [
    "orgId",
    "userId"
  ],
  "additionalProperties": false
}