chore(deps): update rust crate gtk to 0.18.1 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
gtk (source)	dev-dependencies	patch	0.18 -> 0.18.1

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Release Notes

gtk-rs/gtk3-rs (gtk)

### [`v0.18.1`](https://togithub.com/gtk-rs/gtk3-rs/releases/tag/0.18.1) [Compare Source](https://togithub.com/gtk-rs/gtk3-rs/compare/0.18.0...0.18.1) - Fix regression by the switch to glib::Propagation

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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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