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Pull request overview
This PR improves GitHub Actions supply-chain security by replacing mutable action tags (e.g., @v4) with immutable full commit SHAs across the repository’s workflows, aligning with the stated goal of SHA-pinning all actions as a stopgap ahead of Renovate digest maintenance.
Changes:
- Replaced
uses: ...@v*references with full 40-character commit SHAs across workflows. - Added inline comments indicating the corresponding action version for readability/auditing.
- Covered core CI, release, docker, backport, and PR-title validation workflows.
Reviewed changes
Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| .github/workflows/validate_pr.yml | Pins actions/github-script to a full commit SHA for PR title validation. |
| .github/workflows/release.yml | Pins checkout/setup-go/artifact upload+download actions to SHAs for release builds and drafting. |
| .github/workflows/docker.yml | Pins docker-related actions plus checkout/setup-go/cosign installer to SHAs for build/sign workflows. |
| .github/workflows/ci.yml | Pins checkout/cache/setup-go to SHAs for lint/test/keeper CI jobs. |
| .github/workflows/backport.yml | Pins checkout/github-script/backport-action to SHAs for automated backports. |
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SHA-pin all actions. Mutable tags can be force-pushed if an action repo is compromised, and evaporate if it is disabled (cf. Azure/functions-action, Jun 5 Miasma). Stopgap ahead of Renovate digest maintenance. Ref: Miasma scan 2026-06-09.