chore: Update dependencies to the latest versions (#5033)

app/services/notification/push_notification_service.rb

@@ -73,7 +73,7 @@ class Notification::PushNotificationService
     return unless ENV['FCM_SERVER_KEY']
     return unless subscription.fcm?
 
-    fcm = FCM.new(ENV['FCM_SERVER_KEY'])
+    fcm = FCM.new(ENV.fetch('FCM_SERVER_KEY', nil))
     response = fcm.send([subscription.subscription_attributes['push_token']], fcm_options)
     remove_subscription_if_error(subscription, response)
   end