ci: reduce os package scan noise (#18)

Signed-off-by: Chris Gianelloni <wolf31o2@blinklabs.io>

Author: wolf31o2

.github/workflows/publish.yml

@@ -64,6 +64,8 @@ jobs:
           scan-ref: 'ghcr.io/blinklabs-io/openvpn:${{ env.FIRST_TAG }}'
           format: 'sarif'
           output: 'trivy-results-${{ env.FIRST_TAG }}.sarif'
+          ignore-unfixed: true
+          severity: 'HIGH,CRITICAL'
       - name: Upload Trivy scan results to GitHub Security tab
         uses: github/codeql-action/upload-sarif@fdbfb4d2750291e159f0156def62b853c2798ca2 # v4.31.5
         if: always()