Fix database_backup import

[remyleone]

terraform {
  required_providers {
    scaleway = {
      source = "scaleway/scaleway"
    }
  }
  required_version = ">= 0.13"
}

# scaleway_rdb_acl
# scaleway_rdb_database
# scaleway_rdb_database_backup
# scaleway_rdb_privilege
# scaleway_rdb_read_replica
# scaleway_rdb_user

import {
  id = "fr-par/43824575-f2e2-4f4a-abf5-0695f1b9e03c"
  to = scaleway_rdb_database_backup.foobar
}

terraform plan -generate-config-out=generated.tf

resource "scaleway_rdb_database_backup" "foobar" {
  database_name = "foobar"
  expires_at    = "2023-12-14T23:00:00Z"
  instance_id   = "fr-par/699cc143-b961-4885-85ec-6c6ab4229b16"
  name          = "backup_rdb-stoic-hellman_20231208"
  region        = "fr-par"
# We are missing SameRegion boolean
# instance Name
# Size
# Expires, CreatedAt, UpdatedAt 
}