ajout d'un job de suppression des vieux exports

app/jobs/cleanup_stale_exports_job.rb

@@ -0,0 +1,10 @@
+class CleanupStaleExportsJob < ApplicationJob
+  queue_as :cron
+
+  def perform(*args)
+    ActiveStorage::Attachment.where(
+      "name in ('csv_export_file', 'ods_export_file', 'xlsx_export_file') and created_at < ?",
+      Procedure::MAX_DUREE_CONSERVATION_EXPORT.ago
+    ).find_each(&:purge_later)
+  end
+end