ci(github-action): update determinatesystems/magic-nix-cache-action to v4

[tyriis-automation]

This PR contains the following updates:

Package	Type	Update	Change	OpenSSF
DeterminateSystems/magic-nix-cache-action	action	major	v3 -> v4

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Release Notes

DeterminateSystems/magic-nix-cache-action (DeterminateSystems/magic-nix-cache-action)

v4

Compare Source

What's Changed

• Correct privacy policy link by @​grahamc in https://github.com/DeterminateSystems/magic-nix-cache-action/pull/33
• Stop setting the default source branch to 'main' by @​grahamc in https://github.com/DeterminateSystems/magic-nix-cache-action/pull/36
• Introduce FlakeHub Cache by @​grahamc in https://github.com/DeterminateSystems/magic-nix-cache-action/pull/35
• Update readme for flakehub cache by @​grahamc in https://github.com/DeterminateSystems/magic-nix-cache-action/pull/38

Full Changelog: DeterminateSystems/magic-nix-cache-action@v3...v4

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Configuration

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This PR has been generated by Renovate Bot.

[tyriis-automation]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ REPOSITORY	gitleaks	yes		no	1.71s

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[sonarqubecloud]

Quality Gate passed

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Measures
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