Wrong output dir for `zou-db-backup-*.sql.gz` dumps

[michimussato]

Context

Studio name: OpenStudioLandscapes
Zou version: Zou version: 1.0.8
Zou installation type: docker

Describe the bug
Bug in writing zou database dump to the expected output dir.

root@kitsu:/opt/zou# /opt/zou/env/bin/zou dump-database --store
Postgres dump added to store (dbbackup/zou-db-backup-2026-02-24T09:42:21.sql.gz).

However

root@kitsu:/opt/zou# stat previews/files/dbbackup/zou-db-backup-2026-02-24T09:42:21.sql.gz
stat: cannot statx 'previews/files/dbbackup/zou-db-backup-2026-02-24T09:42:21.sql.gz': No such file or directory

Instead:

root@kitsu:/opt/zou# tree previews/files/dbbackup
previews/files/dbbackup
`-- zou
    `-- -db
        |-- zou-db-backup-2026-02-19T00:04:03.sql.gz
        |-- zou-db-backup-2026-02-19T00:12:12.sql.gz
        `-- zou-db-backup-2026-02-24T09:42:21.sql.gz

Expected behavior

root@kitsu:/opt/zou# tree previews/files/dbbackup
previews/files/dbbackup
|-- zou-db-backup-2026-02-19T00:04:03.sql.gz
|-- zou-db-backup-2026-02-19T00:12:12.sql.gz
`-- zou-db-backup-2026-02-24T09:42:21.sql.gz