skipper: Update to version v0.22.6

Update 926694233939.dkr.ecr.eu-central-1.amazonaws.com/production_namespace/teapot/skipper to version v0.22.6

Author: k8s-on-aws-manager-app[bot]

cluster/manifests/02-skipper-validation-webhook/deployment.yaml

@@ -32,7 +32,7 @@ spec:
       priorityClassName: system-cluster-critical
       containers:
       - name: skipper-admission-webhook
-        image: 926694233939.dkr.ecr.eu-central-1.amazonaws.com/production_namespace/teapot/skipper:v0.22.3
+        image: 926694233939.dkr.ecr.eu-central-1.amazonaws.com/production_namespace/teapot/skipper:v0.22.6
         args:
           - webhook
           - --address=:9085