chore(deps): update cachix/install-nix-action action to v29 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
cachix/install-nix-action	action	major	v27 -> v29

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Release Notes

cachix/install-nix-action (cachix/install-nix-action)

### [`v29`](https://redirect.github.com/cachix/install-nix-action/releases/tag/v29) [Compare Source](https://redirect.github.com/cachix/install-nix-action/compare/v27...v29) Bumps Nix to 2.24.8 to fix CVE-2024-47174

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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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[what-the-diff[bot]]

PR Summary

• Updated the 'install-nix-action' Version The version of 'install-nix-action' used in the GitHub Actions workflow has been updated. This change can lead to a more efficient workflow and ensure that we are utilizing the most recent features and enhancements offered by this action. The update is from version v27 to v29 and is applied to the workflow file located at .github/workflows/prettier.yml.