security: pin GitHub Actions to commit hashes#279
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Remediate zizmor security findings by pinning all GitHub Actions to their full commit SHA-256 hashes instead of version tags. This prevents supply chain attacks through action modifications. Fixes: - actions/checkout: pinned to v6.0.2 (de0fac2e4500dabe0009e67214ff5f5447ce83dd) - hendrikmuhs/ccache-action: pinned to v1.2.23 (d62db5f07c26379fc4b4e0916f098a92573c3b03) - docker/setup-qemu-action: pinned to v4.0.0 (ce360397dd3f832beb865e1373c09c0e9f86d70a) - docker/setup-buildx-action: pinned to v4.0.0 (4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd) - docker/build-push-action: pinned to v7.1.0 (bcafcacb16a39f128d818304e6c9c0c18556b85f) - docker/login-action: pinned to v4.1.0 (4907a6ddec9925e35a0a9e82d7399ccc52663121) - docker/metadata-action: pinned to v6.0.0 (030e881283bb7a6894de51c315a6bfe6a94e05cf) - DavidAnson/markdownlint-cli2-action: pinned to v23.2.0 (ded1f9488f68a970bc66ea5619e13e9b52e601cd)
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Description
Remediate zizmor security findings by pinning all GitHub Actions to their full commit SHA-256 hashes instead of version tags.
Security Motivation
Pinning actions to commit hashes prevents supply chain attacks through action modifications or compromised version tags. This is a GitHub security best practice.
Changes
Related
Fixes zizmor finding: 'action is not pinned to a hash'