bug - Fix missing uptime in fillable (Device Model) (#13387)

Seems that uptime is not fillable, but it used in the new rewrite of Core Module. This fixes it. A few devices in my master instance failed with uptime

app/Models/Device.php

@@ -67,6 +67,7 @@ class Device extends BaseModel
         'timeout',
         'transport',
         'version',
+        'uptime',
     ];
 
     protected $casts = [