Update GitHub Actions to latest vetted versions (#157)

| Action | SHA | Version | Vetted in |
|--------|-----|---------|-----------|
| `actions/checkout` | `3d3c42e5` | v7.0.1 |  |

Co-authored-by: Automated <actions@users.noreply.github.com>

Author: gha-pins[bot]

.github/actions/build/action.yaml

@@ -2,7 +2,7 @@ name: "Build"
 runs:
   using: "composite"
   steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
         fetch-depth: 0