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ci: pin GitHub Actions to commit SHAs (4)#6374

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mirkosalvato1-ctrl wants to merge 1 commit into
mozilla:masterfrom
mirkosalvato1-ctrl:pinguard/pin-actions-38673
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ci: pin GitHub Actions to commit SHAs (4)#6374
mirkosalvato1-ctrl wants to merge 1 commit into
mozilla:masterfrom
mirkosalvato1-ctrl:pinguard/pin-actions-38673

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@mirkosalvato1-ctrl

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Why

Mutable Action tags (@v4, @main) can be retagged, which is a supply-chain risk.
This PR pins third-party Actions to full commit SHAs while keeping the tag in a comment.
Official actions/* tags are left unchanged (common maintainer preference).

Pins

  • google-github-actions/auth@v2 -> c200f3691d83
  • google-github-actions/setup-gcloud@v2 -> e427ad8a34f8
  • google-github-actions/auth@v2 -> c200f3691d83
  • docker/login-action@v2 -> 465a07811f14

Reference: GitHub docs on using third-party actions securely.

@mirkosalvato1-ctrl
mirkosalvato1-ctrl requested a review from a team as a code owner July 23, 2026 20:31
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