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	v29 -> 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

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Configuration

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[what-the-diff]

PR Summary

• Upgrade of the Nix Package Manager
  The update in the version of the Nix package manager from v29 to v30 in the GitHub Actions workflow file aids in enhancing the overall package management function. This increment improves the ability to deploy software applications and manage dependencies more efficiently.