Add trivy scan as a job in release workflow

Signed-off-by: ArkaSaha30 <[email protected]>

.github/workflows/release.yaml

@@ -32,3 +32,41 @@ jobs:
       - name: test-image
         run: |
           VERSION=3.6.99 ./scripts/test_images.sh
+      - name: save-image
+        run: |
+          docker image save -o /tmp/etcd-img.tar gcr.io/etcd-development/etcd
+      - name: upload-image
+        uses: actions/upload-artifact@v3
+        with:
+          name: etcd-img
+          path: /tmp/etcd-img.tar
+          retention-days: 1
+  trivy-scan:
+    needs: main
+    strategy:
+      fail-fast: false
+      matrix:
+        platforms: [amd64, arm64, ppc64le, s390x]
+    permissions:
+      security-events: write # for github/codeql-action/upload-sarif to upload SARIF results
+    runs-on: ubuntu-latest
+    steps:
+      - name: get-image
+        uses: actions/download-artifact@v3
+        with:
+          name: etcd-img
+          path: /tmp
+      - name: load-image
+        run: |
+          docker load < /tmp/etcd-img.tar
+      - name: trivy-scan
+        uses: aquasecurity/trivy-action@d710430a6722f083d3b36b8339ff66b32f22ee55 # v0.19.0
+        with:
+          image-ref: 'gcr.io/etcd-development/etcd:v3.6.99-${{ matrix.platforms }}'
+          severity: 'CRITICAL,HIGH'
+          format: 'sarif'
+          output: 'trivy-results-${{ matrix.platforms }}.sarif'
+      - name: upload scan results
+        uses: github/codeql-action/upload-sarif@956f09c2ef1926b580554b9014cfb8a51abf89dd # v2.16.6
+        with:
+          sarif_file: 'trivy-results-${{ matrix.platforms }}.sarif'