chore: use release backends for cargo tools

[jdx]

Summary

• replace cargo:cargo-deny with github:EmbarkStudios/cargo-deny
• replace cargo:cargo-llvm-cov with github:taiki-e/cargo-llvm-cov

Validation

• mise install github:EmbarkStudios/cargo-deny@0.19 in an isolated mise data dir
• mise install github:taiki-e/cargo-llvm-cov@0.8 in an isolated mise data dir
• mise -C . ls (existing npm resolver warning because npm is not on PATH)

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Note

Low Risk
Dev-tooling install path only; no application runtime or CI task command changes beyond how mise fetches the binaries.

Overview
mise.toml now installs cargo-deny and cargo-llvm-cov via github: release backends instead of building them with cargo:.

Pinned versions stay at 0.19 and 0.8; check and test-coverage tasks are unchanged and still invoke the same binaries.

^{Reviewed by Cursor Bugbot for commit ee029f8. Bugbot is set up for automated code reviews on this repo. Configure here.}

[greptile-apps]

Greptile Summary

This PR migrates two development tool backends in mise.toml from the cargo: backend (which compiles from source) to the github: release backend (which downloads pre-built binaries), while preserving the same pinned versions.

• Replaces "cargo:cargo-deny" = "0.19" with "github:EmbarkStudios/cargo-deny" = "0.19" — uses EmbarkStudios' GitHub release artifacts instead of compiling from crates.io.
• Replaces "cargo:cargo-llvm-cov" = "0.8" with "github:taiki-e/cargo-llvm-cov" = "0.8" — uses taiki-e's GitHub release artifacts instead of compiling from source.

Confidence Score: 5/5

Safe to merge — a two-line swap of tool backends with the same versions, validated by the author in an isolated environment.

The change is minimal: two tool specifiers are updated to point at the GitHub release backends for the same projects. The author confirmed installation works for both tools in an isolated mise data directory, and the downstream tasks that invoke cargo deny check and cargo llvm-cov are unchanged, so runtime behaviour is unaffected.

No files require special attention.

Important Files Changed

Filename	Overview
mise.toml	Switches cargo-deny and cargo-llvm-cov from cargo: backend to github: release backends, keeping the same pinned versions (0.19 and 0.8); no other changes.

_{Reviews (1): Last reviewed commit: "chore: use release backends for cargo to..." | Re-trigger Greptile}

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📥 Commits

Reviewing files that changed from the base of the PR and between ec8b37f and ee029f8.

📒 Files selected for processing (1)

• mise.toml

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