refactor: code style changes

Signed-off-by: miguel456 <me@nogueira.codes>

app/Notifications/AbsenceRequestApproved.php

@@ -44,13 +44,13 @@ class AbsenceRequestApproved extends Notification implements ShouldQueue
     public function toMail($notifiable)
     {
         return (new MailMessage)
-                ->greeting('Hi ' . $notifiable->name . ',')
+                ->greeting('Hi '.$notifiable->name.',')
                 ->from(config('notification.sender.address'), config('notification.sender.name'))
                 ->subject(config('app.name').' - absence request approved')
                 ->line("Your recent Leave of Absence request from {$this->absence->created_at} has just been approved by an admin.")
                 ->line('Your inactivity during the period you selected won\'t be counted. You will receive another email notification when your request ends, or if you decide to cancel it.')
                 ->action('View your request', url(route('absences.show', ['absence' => $this->absence->id])))
-                ->salutation('The team at ' . config('app.name'));
+                ->salutation('The team at '.config('app.name'));
     }
 
     /**