Update tests

Author: Robin Scherrer

tests/golden/defaults/system-upgrade-controller/system-upgrade-controller/04_deployment.yaml

@@ -41,7 +41,7 @@ spec:
           envFrom:
             - configMapRef:
                 name: default-controller-env
-          image: docker.io/rancher/system-upgrade-controller:v0.6.2
+          image: docker.io/rancher/system-upgrade-controller:v0.8.1
           imagePullPolicy: IfNotPresent
           name: system-upgrade-controller
           ports: []