ci: integrate Trivy vulnerability scanning into CI workflow

- Add a GitHub Actions workflow to run Trivy vulnerability scans on all branches for push and pull request events
- Configure the workflow to scan the repository, ignore unfixed issues, output a table, and fail on findings with medium or higher severity

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

Author: appleboy

.github/workflows/trivy.yml

@@ -0,0 +1,25 @@
+name: Trivy Vulnerability Scan
+
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  trivy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Run Trivy vulnerability scanner in repo mode
+        uses: aquasecurity/[email protected]
+        with:
+          scan-type: 'fs'
+          ignore-unfixed: true
+          format: 'table'
+          exit-code: '1'
+          severity: 'CRITICAL,HIGH,MEDIUM'