chore(deps): update gcr.io/kubebuilder/kube-rbac-proxy docker tag to v0.16.0

Author: renovate[bot]

charts/etcd-operator/values.yaml

@@ -41,7 +41,7 @@ kubeRbacProxy:
   image:
     repository: gcr.io/kubebuilder/kube-rbac-proxy
     pullPolicy: IfNotPresent
-    tag: v0.15.0
+    tag: v0.16.0
   args:
     - --secure-listen-address=0.0.0.0:8443
     - --upstream=http://127.0.0.1:8080/