Preauthkey date values timezone difference about headscale

[huskyii]

@juanfont this issue can be closed, as it disappears in v0.13.0

Output of headscale preauthkeys list -o json:

[
        {
                "namespace": "testns",
                "id": "1",
                "key": "db82ff012ab055fd4f046b48e54241745f0236acda7244b2",
                "expiration": {
                        "seconds": 1647197674,
                        "nanos": 900666322
                },
                "created_at": {
                        "seconds": 1647111274,
                        "nanos": 902574870
                }
        }
]

Output of headscale preauthkeys list -o yaml

- namespace: testns
  id: "1"
  key: db82ff012ab055fd4f046b48e54241745f0236acda7244b2
  reusable: false
  ephemeral: false
  used: false
  expiration:
    seconds: 1647111515
    nanos: 548320116
  createdat:
    seconds: 1647111274
    nanos: 902574870

Output of headscale preauthkeys list

ID | Key                                              | Reusable | Ephemeral | Used  | Expiration          | Created            
1  | db82ff012ab055fd4f046b48e54241745f0236acda7244b2 | false    | false     | false | 2022-03-12 18:58:35 | 2022-03-12 18:54:34