chore(ci): add trivy scan on all PRs

.github/workflows/scan-pull-request.yml

@@ -0,0 +1,30 @@
+name: Scan repo on PR
+
+on:
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      security-events: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@0.33.1
+        with: 
+          scan-type: 'fs'
+          ignore-unfixed: true
+          format: 'sarif'
+          output: 'trivy-results.sarif'
+          severity: 'CRITICAL'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v3
+        if: always()
+        with:
+          sarif_file: 'trivy-results.sarif'