Set severity-cutoff to high

Author: SauravMaheshkar

.github/workflows/anchore-analysis.yml

@@ -22,6 +22,7 @@ jobs:
       with:
         image: "localbuild/testimage:latest"
         acs-report-enable: true
+        severity-cutoff: high
     - name: Upload Anchore Scan Report
       uses: github/codeql-action/upload-sarif@v1
       with: