ci: pin all GitHub Actions to SHAs, dependabot monthly + minor/patch grouping - #779
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- pin every third-party action/reusable workflow ref to a full commit SHA with a version comment - fold in the pending github-actions group bumps (checkout 7.0.1, codeql-action 4.37.3, setup-go 7.0.0, k8s-deploy v7, action-gh-release 3.0.2) - dependabot: monthly interval, group only minor/patch so majors land as separate PRs
David Gamero (davidgamero)
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Suneha Bose (bosesuneha)
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What
# vX.Y.Zcomment) across.github/workflows/**and.github/actions/**, including theAzure/action-release-workflowsreusable workflow.interval: monthlyfor all ecosystems, and groups scoped toupdate-types: [minor, patch]so majors arrive as individual reviewable PRs instead of being bundled.# v3.29.5comments ongithub/codeql-action(the pinned SHA is actually v4.37.3). Comment-only, no SHA change.No version changes otherwise — every ref resolves to the exact same commit
mainuses today.Why
Mutable tags (
@v4,@v6) are a supply-chain risk — a tag can be repointed at arbitrary code. SHA pinning makes every action ref immutable and auditable, and dependabot still bumps them (it parses the version comment).Note on #781
An earlier revision of this PR included the
Azure/k8s-deploy6 -> 7 bump from #781. That major bump breaks the integration tests: v7 refuses manifest paths outside the workspace, so thek8s-bakeoutput at/home/runner/work/_temp/baked-template-*.yamlis rejected and everyhelm-create-update/kustomize-create-updatejob fails. Reverted to v6 here — #781 needs its own fix (bake output relocated into the workspace) and should not be closed by this PR.Not included
template/workflows/**(user-facing scaffolding templates) is intentionally untouched — pinning there changes generated output and golden-file expectations.