Cherry-pick from main (03689e3d) to restore SHA pinning on staging branch.
- actions/checkout@v6 → @de0fac2e4500dabe0009e67214ff5f5447ce83dd (v6.0.2)
in .github/workflows/secret-pattern-drift.yml
- pypa/gh-action-pypi-publish@release/v1 →
@cef221092ed1bacb1cc03d23a2d87d1d172e277b in .github/workflows/publish-runtime.yml
Mutable action tags create supply-chain risk. SHA-pinning ensures the exact
commit runs every time.
[core-devops-agent]
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>