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[LOW] ci: pin checkout action by commit - #1898

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OskarEichler wants to merge 1 commit into
jantimon:mainfrom
OskarEichler:codex/security-pin-checkout
Open

[LOW] ci: pin checkout action by commit#1898
OskarEichler wants to merge 1 commit into
jantimon:mainfrom
OskarEichler:codex/security-pin-checkout

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@OskarEichler

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Summary

Pin both actions/checkout uses to the commit currently referenced by the trusted v4 tag while retaining the version comment for dependency tooling.

Security impact

A mutable major tag can change after review. Pinning the full commit makes the CI dependency immutable and prevents an upstream tag move from silently changing code executed in this repository’s workflows.

Verification

  • workflow YAML parses successfully
  • git diff --check passes

This is intentionally limited to one action dependency.

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