enable Kubescape scan

Signed-off-by: Huabing Zhao <zhaohuabing@gmail.com>

.github/workflows/kubescape-scan.yml

@@ -0,0 +1,21 @@
+name: Kubescape Scan
+on: [push, pull_request]
+jobs:
+  scan-charts:
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+    steps:
+      - uses: actions/checkout@v3
+      - uses: kubescape/github-action@main
+        continue-on-error: true
+        with:
+          format: sarif
+          outputFile: results
+          files: "charts/*"
+      - name: Upload Kubescape scan results to Github Code Scanning
+        uses: github/codeql-action/upload-sarif@v2
+        with:
+          sarif_file: results.sarif