add: model docblocks

- this resolves some larastan property issues but in return has revealed quite a few issues with our castings and such. baseline has been regenerated so we can work through them. The properties in docblocks are in order and match everything in DB schema wise.

app/Models/EmailUpdate.php

@@ -15,6 +15,14 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
 
+/**
+ * App\Models\EmailUpdate.
+ *
+ * @property int                             $id
+ * @property int                             $user_id
+ * @property \Illuminate\Support\Carbon      $created_at
+ * @property \Illuminate\Support\Carbon|null $deleted_at
+ */
 class EmailUpdate extends Model
 {
     /**