Add db an media backups (#3783)

* [FR] Add backup into inventrees lifecycle
Fixes #3778

* Add env to testing enviros

* block backup from running app commands

* Add more commands

* fix postgres version

* Update used env

* add daily task to run backups

* add installer changes

.github/workflows/check_translations.yaml

@@ -20,6 +20,7 @@ jobs:
       INVENTREE_DEBUG: info
       INVENTREE_MEDIA_ROOT: ./media
       INVENTREE_STATIC_ROOT: ./static
+      INVENTREE_BACKUP_DIR: ./backup
 
     steps:
       - name: Checkout Code