add cargo-audit

.github/workflows/audit.yml

@@ -0,0 +1,26 @@
+name: Audit
+
+on:
+  push:
+    paths-ignore:
+      - 'docs/**'
+      - 'scripts/**'
+      - 'README.md'
+    branches: [ "dev" ]
+  pull_request:
+    branches: [ "dev" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install dependencies
+      run: sudo apt install -y libssl-dev build-essential libgpgme-dev
+    - name: Audit
+      run: cargo install cargo-audit && cargo audit