post-review: move DR Action spec and props file into code-scanning/ dir tree temporarily, until maintainers refactor this to security/

code-scanning/dependency-review.yml

@@ -0,0 +1,11 @@
+name: 'Dependency Review'
+on: [pull_request]
+
+jobs:
+  dependency-review:
+    runs-on: ubuntu-latest
+    steps:
+      - name: 'Checkout Repository'
+        uses: actions/checkout@v3
+      - name: 'Dependency Review'
+        uses: actions/dependency-review-action@main