Merge pull request #504 from wallarm/NODE-6087-Update-image-scanner

NODE-6087 Update image scanner

Author: alexorekhov

.github/workflows/ci.yaml

@@ -454,4 +454,4 @@ jobs:
           image: "wallarm/ingress-controller:1.0.0-dev"
           fail-build: true
           output-format: 'table'
-          severity-cutoff: 'critical'
+          severity-cutoff: 'high'