time format validation rejects full-time that is next day in UTC

There is an issue when validating "time" format string.

Schema:
```
{
  "type": "object",
  "properties": {
    "checkInTime": {
      "type": "string",
      "title": "Check-in Time",
      "format": "time"
    }
  }
}
```

Form data:
```
{
  "time": "17:00:00-07:00"
}
```

The validator gives an error: "does not match the time pattern must be a valid RFC 3339 time", but this time is valid.
