Update earthly/actions-setup action to v1.0.9

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
earthly/actions-setup	action	patch	v1.0.8 -> v1.0.9

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Release Notes

earthly/actions-setup (earthly/actions-setup)

### [`v1.0.9`](https://togithub.com/earthly/actions-setup/releases/tag/v1.0.9) [Compare Source](https://togithub.com/earthly/actions-setup/compare/v1.0.8...v1.0.9) #### What's Changed - upgraded to node20 **Full Changelog**: https://github.com/earthly/actions-setup/compare/v1.0.8...v1.0.9

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ 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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