chore(deps): bump actions/checkout from 3 to 4 (#433)

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.github/workflows/audit-rust.yaml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Rust
         uses: actions-rs/toolchain@v1