ci: don't use unmaintained actions-rs actions

.github/workflows/audit-rust.yml

@@ -28,6 +28,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions-rs/audit-check@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Download cargo-audit
+        run: |
+          curl -s https://api.github.com/repos/rustsec/rustsec/releases/latest | grep "browser_download_url.*cargo-audit-x86_64-unknown-linux-musl.*" | cut -d : -f 2,3 | tr -d \" | wget -qi -
+          tar -xvzf ./cargo-audit*.tgz
+          mv ./cargo-audit*/cargo-audit ./cargo-audit
+          chmod +x ./cargo-audit
+
+      - name: Run cargo-audit
+        run: ./cargo-audit audit -D unmaintained -D yanked