Create packager cronjob for clearing uploaded files

.pkgr.yml

@@ -39,6 +39,7 @@ targets:
 before_precompile: "packaging/setup"
 crons:
   - packaging/cron/openproject-clear-old-sessions
+  - packaging/cron/openproject-clear-uploaded-files
 services:
   - postgres
 installer: https://github.com/pkgr/installer.git

lib/tasks/attachments.rake

@@ -33,7 +33,6 @@ namespace :attachments do
     CarrierWave.clean_cached_files!
   end
 
-
   desc 'Copies all attachments from the current to the given storage.'
   task :copy_to, [:to] => :environment do |_task, args|
     if args.empty?

packaging/cron/openproject-clear-uploaded-files

@@ -0,0 +1,3 @@
+APP_NAME="_APP_NAME_"
+PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+0 23 * * 5 root ${APP_NAME} run rake -s attachments:clear >> /var/log/${APP_NAME}/cron-clear-uploaded-files.log 2>&1