Add missing parent::__construct() calls to Jobs

[nickvergessen]

Regression from #24340

[nickvergessen]

Found this in my log:

{
  "reqId": "snPXNJw8Fxz6KDpvZ8pO",
  "level": 3,
  "time": "2020-12-14T16:17:09+01:00",
  "remoteAddr": "",
  "user": "--",
  "app": "cron",
  "method": "",
  "url": "--",
  "message": {
    "Exception": "Error",
    "Message": "Call to a member function getTime() on null",
    "Code": 0,
    "Trace": [
      {
        "file": "/home/nickv/Nextcloud/21/server/apps/settings/lib/BackgroundJobs/VerifyUserData.php",
        "line": 104,
        "function": "execute",
        "class": "OCP\\BackgroundJob\\Job",
        "type": "->"
      },
      {
        "file": "/home/nickv/Nextcloud/21/server/cron.php",
        "line": 127,
        "function": "execute",
        "class": "OCA\\Settings\\BackgroundJobs\\VerifyUserData",
        "type": "->"
      }
    ],
    "File": "/home/nickv/Nextcloud/21/server/lib/public/BackgroundJob/Job.php",
    "Line": 78,
    "CustomMessage": "--"
  },
  "userAgent": "--",
  "version": "21.0.0.8"
}

[rullzer]

Ah shit right...

[rullzer]

Linter says no