refactor(ci): replace unmaintained action (#266)

.github/workflows/audit.yml

@@ -7,17 +7,11 @@ on:
 jobs:
   audit:
     name: Audit
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v4
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          profile: minimal
-          override: true
       - name: Run cargo-audit
-        uses: actions-rs/audit-check@v1
+        uses: rustsec/audit-check@v1.4.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}