ci(workflows): pin 3rd party actions #399
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argl
approved these changes
Oct 28, 2025
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Description
Pins all 3rd party GitHub Actions to specific commit hashes instead of version tags.
Each pinned action includes an inline comment with the resolved version number for reference.
Motivation
Security best practice to pin actions to immutable commit hashes, preventing potential supply chain attacks from compromised action versions or tag hijacking.
Additional details
See: https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-third-party-actions
Related issues and pull requests
Part of mdn/fred#1005.