ci: pin third-party actions to commit SHAs + add dependabot#45
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Pin every uses: reference in workflows to a full commit SHA, with the human-readable tag in a trailing comment. Adds .github/dependabot.yml to keep the pins fresh on a weekly cadence. Hardens against tag-mutation supply-chain attacks on workflows that handle PRIVATE_KEY and run on consumer repos. Closes #40
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Closes #40.
Summary
uses:reference in the four workflows to a full commit SHA, with the human-readable tag preserved in a trailing comment..github/dependabot.ymlto bump pins on a weekly cadence (single grouped PR).Why
Floating tags can be moved by upstream — for workflows that handle
PRIVATE_KEYand run on consumer repos, that is a meaningful supply-chain risk. GitHub's hardening guidance recommends commit-SHA pinning.Versions pinned
actions/checkout34e114876b…actions/setup-node49933ea528…actions/setup-pythona26af69be9…actions/upload-artifactea165f8d65…actions/download-artifactd3f86a106a…foundry-rs/foundry-toolchainc7450ba673…marocchino/sticky-pull-request-comment7737449015…crytic/slither-actionf197989dea…dorny/paths-filterd1c1ffe024…Test plan
python3 -m yamlfor all workflows + dependabot config.🤖 Generated with Claude Code