fix: improve error handling for sitemap task

- Add error handling when scheduling the RefreshSitemapWorker in
  production.
- Log successful scheduling and errors for improved diagnostics.

This change ensures that any issues with scheduling the worker are
logged and can be addressed promptly, enhancing the reliability of
the application in production.

config/initializers/schedule_tasks.rb

@@ -1,4 +1,11 @@
 # config/initializers/schedule_tasks.rb
 Rails.application.config.after_initialize do
-  RefreshSitemapWorker.perform_async unless Rails.env.production? && !ENV["RAILS_BUILD"]
+  if Rails.env.production? && !ENV["RAILS_BUILD"]
+    begin
+      RefreshSitemapWorker.perform_async
+      Rails.logger.info "Startup task (RefreshSitemapWorker) scheduled successfully"
+    rescue => e
+      Rails.logger.error "Error scheduling startup task: #{e.message}"
+    end
+  end
   end