Update dependency backup_borg to v1.4.0-1.9.0-0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
backup_borg	role	minor	v1.2.8-1.8.13-2 -> v1.4.0-1.9.0-0

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Release Notes

mother-of-all-self-hosting/ansible-role-backup_borg (backup_borg)

### [`v1.4.0-1.9.0-0`](https://redirect.github.com/mother-of-all-self-hosting/ansible-role-backup_borg/compare/v1.2.8-1.8.13-2...v1.4.0-1.9.0-0) [Compare Source](https://redirect.github.com/mother-of-all-self-hosting/ansible-role-backup_borg/compare/v1.2.8-1.8.13-2...v1.4.0-1.9.0-0)

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Configuration

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♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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[aine-etke]

I'm on it