GraphQL site timezone format

[ryanmerolle]

NetBox version

v3.0.7

Python version

3.8

Steps to Reproduce

graphql query reproducible via https://demo.netbox.dev/graphql/#query=%7B%0A%20%20site_list(id%3A%20%2231%22)%20%7B%0A%20%20%20%20name%0A%20%20%20%20id%0A%20%20%20%20time_zone%0A%20%20%7D%0A%7D%0A

{
  site_list(id: "31") {
    name
    id
    time_zone
  }
}

Expected Behavior

{
  "data": {
    "site_list": [
      {
        "name": "UPRC Digital Systems - Athens",
        "id": "31",
        "time_zone": "EUROPE_ATHENS"
      }
    ]
  }
}

Observed Behavior

{
  "data": {
    "site_list": [
      {
        "name": "UPRC Digital Systems - Athens",
        "id": "31",
        "time_zone": "Europe/Athens"
      }
    ]
  }
}

[ryanmerolle]

duplicates #7466

[DanSheps]

duplicate of #7466