fix(ci): pin actions/checkout to immutable SHA (VC-53683 SC-004)#407
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SC-004: actions/checkout@main in the CD workflow used a mutable branch ref, allowing the action to change without notice. Pin to the full 40-char SHA corresponding to v7.0.0 to eliminate supply chain risk from ref mutation. Fixes: VC-53683
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Summary
Addresses supply chain security finding SC-004 from Jira ticket VC-53683.
Changes
.github/workflows/cd.yml—actions/checkout@mainpinned to full 40-character commit SHAb9e0990d219a03df7633c93f6f005a8fecbcab22(v7.0.0), eliminating the mutable branch ref.Already Compliant (no changes needed)
mhausenblas/mkdocs-deploy-gh-pagesalready pinned to full SHAa31c6b13a80e4a4fbb525eeb7a2a78253bb15fa5incd.yml. The@masterref inci.ymlis in a commented-out block and not active.Initialize-PSSodium.ps1already uses-Repository PSGallery -RequiredVersion $script:pssodiumVersionwith per-file SHA256 hash verification. All CIInstall-Modulecalls already include-RequiredVersionand-Repository PSGallery(PSScriptAnalyzer@1.25.0, Pester@5.7.1, platyPS@0.14.2).Closes VC-53683.
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