Add Trivy security scan workflow

.github/workflows/trivy.yaml

@@ -0,0 +1,14 @@
+name: Security Scan
+on: [pull_request]
+jobs:
+  scan:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Trivy Scan
+        uses: aquasecurity/trivy-action@master
+        with:
+          scan-type: 'fs'
+          ignore-unfixed: true
+          severity: 'CRITICAL,HIGH'
+          exit-code: '1'