feat(server): implement server patch check notifications

- Added a new job, ServerPatchCheckJob, to handle server patch checks and notifications.
- Introduced a new notification class, ServerPatchCheck, for sending updates via email, Discord, Slack, Pushover, and Telegram.
- Updated notification settings models to include server patch notification options for email, Discord, Slack, Pushover, and Telegram.
- Created a migration to add server patch notification fields to the respective settings tables.
- Enhanced the UI to allow users to enable/disable server patch notifications across different channels.

app/Models/PushoverNotificationSettings.php

@@ -29,6 +29,7 @@ class PushoverNotificationSettings extends Model
         'server_disk_usage_pushover_notifications',
         'server_reachable_pushover_notifications',
         'server_unreachable_pushover_notifications',
+        'server_patch_pushover_notifications',
     ];
 
     protected $casts = [
@@ -47,6 +48,7 @@ class PushoverNotificationSettings extends Model
         'server_disk_usage_pushover_notifications' => 'boolean',
         'server_reachable_pushover_notifications' => 'boolean',
         'server_unreachable_pushover_notifications' => 'boolean',
+        'server_patch_pushover_notifications' => 'boolean',
     ];
 
     public function team()