Add cargo-deny workflow job

Signed-off-by: Matthias Beyer <[email protected]>

.github/workflows/ci.yml

@@ -33,6 +33,27 @@ jobs:
         with:
           command: check
 
+
+  deny:
+    name: deny
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        checks:
+          - advisories
+          - bans licenses sources
+
+    # Prevent sudden announcement of a new advisory from failing ci:
+    continue-on-error: ${{ matrix.checks == 'advisories' }}
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: cargo-deny
+      uses: EmbarkStudios/cargo-deny-action@v1
+      with:
+        command: check ${{ matrix.checks }}
+
+
   # We need some "accummulation" job here because bors fails (timeouts) to
   # listen on matrix builds.
   # Hence, we have some kind of dummy here that bors can listen on
@@ -41,6 +62,7 @@ jobs:
     if: ${{ success() }}
     needs:
       - check
+      - deny
     runs-on: ubuntu-latest
     steps:
       - name: CI succeeded