ci: update determinatesystems/magic-nix-cache-action action to v8

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
DeterminateSystems/magic-nix-cache-action	action	major	v7 -> v8

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Release Notes

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

### [`v8`](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/releases/tag/v8) [Compare Source](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/compare/v7...v8) ##### What's Changed - RUST_LOG default to tracing our stuff, only debug for everything else by [@​colemickens](https://redirect.github.com/colemickens) in [https://github.com/DeterminateSystems/magic-nix-cache-action/pull/63](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/pull/63) - Remove package-lock.json by [@​lucperkins](https://redirect.github.com/lucperkins) in [https://github.com/DeterminateSystems/magic-nix-cache-action/pull/64](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/pull/64) - Prevent the Action from failing with strict mode disabled by [@​lucperkins](https://redirect.github.com/lucperkins) in [https://github.com/DeterminateSystems/magic-nix-cache-action/pull/62](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/pull/62) - Fix nullish coalescing by [@​lucperkins](https://redirect.github.com/lucperkins) in [https://github.com/DeterminateSystems/magic-nix-cache-action/pull/65](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/pull/65) - Update detsys-ts by [@​lucperkins](https://redirect.github.com/lucperkins) in [https://github.com/DeterminateSystems/magic-nix-cache-action/pull/66](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/pull/66) - Provide info output for potential missing permissions block by [@​lucperkins](https://redirect.github.com/lucperkins) in [https://github.com/DeterminateSystems/magic-nix-cache-action/pull/73](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/pull/73) - Bump fast-xml-parser from 4.4.0 to 4.4.1 by [@​dependabot](https://redirect.github.com/dependabot) in [https://github.com/DeterminateSystems/magic-nix-cache-action/pull/75](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/pull/75) - Update fast-xml-parser by [@​lucperkins](https://redirect.github.com/lucperkins) in [https://github.com/DeterminateSystems/magic-nix-cache-action/pull/78](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/pull/78) - Don't run the "trusted" checks if we're in a PR by [@​grahamc](https://redirect.github.com/grahamc) in [https://github.com/DeterminateSystems/magic-nix-cache-action/pull/85](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/pull/85) - Update `detsys-ts`: Merge pull request [#​63](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/issues/63) from DeterminateSystems/retry-streams by [@​detsys-pr-bot](https://redirect.github.com/detsys-pr-bot) in [https://github.com/DeterminateSystems/magic-nix-cache-action/pull/84](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/pull/84) ##### New Contributors - [@​colemickens](https://redirect.github.com/colemickens) made their first contribution in [https://github.com/DeterminateSystems/magic-nix-cache-action/pull/63](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/pull/63) - [@​dependabot](https://redirect.github.com/dependabot) made their first contribution in [https://github.com/DeterminateSystems/magic-nix-cache-action/pull/75](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/pull/75) - [@​detsys-pr-bot](https://redirect.github.com/detsys-pr-bot) made their first contribution in [https://github.com/DeterminateSystems/magic-nix-cache-action/pull/84](https://redirect.github.com/DeterminateSystems/magic-nix-cache-action/pull/84) **Full Changelog**: https://github.com/DeterminateSystems/magic-nix-cache-action/compare/v7...v8

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