build(deps): bump DeterminateSystems/magic-nix-cache-action from 2 to 4

[dependabot[bot]]

Bumps DeterminateSystems/magic-nix-cache-action from 2 to 4.

Release notes

Sourced from DeterminateSystems/magic-nix-cache-action's releases.

v4

What's Changed

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

Full Changelog: https://github.com/DeterminateSystems/magic-nix-cache-action/compare/v3...v4

v3

What's Changed

• Provide docs for upstream cache by @​lucperkins in DeterminateSystems/magic-nix-cache-action#17
• DS-970: Add Magic Nix Cache and other workflow changes by @​flexiondotorg in DeterminateSystems/magic-nix-cache-action#20
• Update README example by @​edmundmiller in DeterminateSystems/magic-nix-cache-action#24
• Correct cache log by @​grahamc in DeterminateSystems/magic-nix-cache-action#30
• build(action): update node16 to node20 by @​cameronraysmith in DeterminateSystems/magic-nix-cache-action#32

New Contributors

• @​flexiondotorg made their first contribution in DeterminateSystems/magic-nix-cache-action#20
• @​edmundmiller made their first contribution in DeterminateSystems/magic-nix-cache-action#24
• @​cameronraysmith made their first contribution in DeterminateSystems/magic-nix-cache-action#32

Full Changelog: https://github.com/DeterminateSystems/magic-nix-cache-action/compare/v2...v3

Commits

• fc6aace Merge pull request #38 from DeterminateSystems/flakehub-cache-readme
• f7df689 Don't publish to ids
• b505f49 Update readme for flakehub cache
• 122e91d Merge pull request #35 from DeterminateSystems/flakehub-cache
• 2c553b2 Add shellcheck checks to CI
• 455b918 Use -closure ids
• 1b7beca Merge remote-tracking branch 'origin/main' into flakehub-cache
• 54acdd1 Merge pull request #36 from DeterminateSystems/grahamc-patch-1
• 79f590d /latest/ -> /stable/
• 14fda4e Stop setting the default source branch to 'main'
• Additional commits viewable in compare view

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