chore(security): Dependabot + SHA-pinned Actions - #1
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- Enable Dependabot for gomod and github-actions ecosystems (weekly) - Pin all GitHub Actions to full commit SHAs with version comments so Dependabot can keep the pins updated - Scope workflow GITHUB_TOKEN to contents: read Mitigates mutable-ref build-process attacks (cf. tj-actions/changed-files, 2024).
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Adds
.github/dependabot.ymlcovering gomod and github-actions ecosystems (weekly), and pins all workflow Actions to full commit SHAs with# vX.Y.Zcomments so Dependabot can bump the pins.Why SHAs: a tag like
@v4is a mutable ref — a compromised release re-tags it and every consumer silently runs attacker code (the 2024tj-actions/changed-filesincident). A 40-char commit SHA is immutable.Also scopes the workflow token to
contents: read.