[prometheus-node-exporter] Update quay.io/brancz/kube-rbac-proxy Docker tag to v0.20.0 (#6143)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

charts/prometheus-node-exporter/Chart.yaml

@@ -6,7 +6,7 @@ keywords:
   - prometheus
   - exporter
 type: application
-version: 4.47.3
+version: 4.48.0
 # renovate: github=prometheus/node_exporter
 appVersion: 1.9.1
 home: https://github.com/prometheus/node_exporter/

charts/prometheus-node-exporter/values.yaml

@@ -45,7 +45,7 @@ kubeRBACProxy:
   image:
     registry: quay.io
     repository: brancz/kube-rbac-proxy
-    tag: v0.19.1
+    tag: v0.20.0
     sha: ""
     pullPolicy: IfNotPresent