chore(deps): update ghcr.io/fluxcd/kustomize-controller docker tag to v1.6.1

Author: renovate[bot]

flux/flux-system/gotk-components.yaml

@@ -7203,7 +7203,7 @@ spec:
             resourceFieldRef:
               containerName: manager
               resource: limits.memory
-        image: ghcr.io/fluxcd/kustomize-controller:v1.6.0
+        image: ghcr.io/fluxcd/kustomize-controller:v1.6.1
         imagePullPolicy: IfNotPresent
         livenessProbe:
           httpGet: