chore(deps): update cachix/install-nix-action action to v30

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
cachix/install-nix-action	action	major	v27 -> v30

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Release Notes

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

v30

Compare Source

• Nix: 2.24.7 -> 2.24.9, fixing GHSA-6fjr-mq49-mm2c

v29

Compare Source

Bumps Nix to 2.24.8 to fix CVE-2024-47174

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Configuration

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[what-the-diff]

PR Summary

• Package Manager Upgrade
  The version of the Nix package manager used in the project has been updated from v27 to v30. This can bring new features, improved performance, as well as bug fixes that could enhance the overall development process.