update existing address

{
  "data":{
    "attributes":{
      "first_name":"TestContact update_addresses"
    },
    "relationships":{
      "addresses":{
        "data":[
          {
            "id": 12,
            "attributes":{
              "address_line_1":"Line 1",
              "address_line_2":"Line 2",
              "city":"Berlin",
              "country":"DE",
              "postal_code":"123",
              "is_primary":false
            }
          }
        ]
      }
    }
  }
}