feat(license): add cargo deny step to workflow

.github/workflows/ci.yml

@@ -56,6 +56,19 @@ jobs:
       - name: Check for unused dependencies
         run: cargo machete
 
+  deny:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          ref: ${{ github.head_ref }}
+
+      - name: Install cargo-deny
+        run: cargo install --locked cargo-deny
+
+      - name: Check licenses and advisories
+        run: cargo deny check
+
   lint:
     runs-on: ubuntu-latest
     timeout-minutes: 60