[bot] Synchronize versions of the downstream components

Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

Documentation/deps-versions.md

@@ -1,5 +1,6 @@
 |  OCP Version |                                   alertmanager                                   |                              kubeRbacProxy                               |                              kubeStateMetrics                               |                              kubernetesMetricsServer                              |                             monitoringPlugin                              |                             nodeExporter                              |                              promLabelProxy                               |                             prometheus                              |                              prometheusOperator                              |                             thanos                              |
 |--------------|----------------------------------------------------------------------------------|--------------------------------------------------------------------------|-----------------------------------------------------------------------------|-----------------------------------------------------------------------------------|---------------------------------------------------------------------------|-----------------------------------------------------------------------|---------------------------------------------------------------------------|---------------------------------------------------------------------|------------------------------------------------------------------------------|-----------------------------------------------------------------|
+| release-4.21 | [0.28.1](https://github.com/openshift/prometheus-alertmanager/blob/release-4.21) | [0.19.0](https://github.com/openshift/kube-rbac-proxy/blob/release-4.21) | [2.15.0](https://github.com/openshift/kube-state-metrics/blob/release-4.21) | [0.7.2](https://github.com/openshift/kubernetes-metrics-server/blob/release-4.21) | [1.0.0](https://github.com/openshift/monitoring-plugin/blob/release-4.21) | [1.9.1](https://github.com/openshift/node_exporter/blob/release-4.21) | [0.11.0](https://github.com/openshift/prom-label-proxy/blob/release-4.21) | [3.2.1](https://github.com/openshift/prometheus/blob/release-4.21)  | [0.81.0](https://github.com/openshift/prometheus-operator/blob/release-4.21) | [0.37.2](https://github.com/openshift/thanos/blob/release-4.21) |
 | release-4.20 | [0.28.1](https://github.com/openshift/prometheus-alertmanager/blob/release-4.20) | [0.19.0](https://github.com/openshift/kube-rbac-proxy/blob/release-4.20) | [2.15.0](https://github.com/openshift/kube-state-metrics/blob/release-4.20) | [0.7.2](https://github.com/openshift/kubernetes-metrics-server/blob/release-4.20) | [1.0.0](https://github.com/openshift/monitoring-plugin/blob/release-4.20) | [1.9.1](https://github.com/openshift/node_exporter/blob/release-4.20) | [0.11.0](https://github.com/openshift/prom-label-proxy/blob/release-4.20) | [3.2.1](https://github.com/openshift/prometheus/blob/release-4.20)  | [0.81.0](https://github.com/openshift/prometheus-operator/blob/release-4.20) | [0.37.2](https://github.com/openshift/thanos/blob/release-4.20) |
 | release-4.19 | [0.28.1](https://github.com/openshift/prometheus-alertmanager/blob/release-4.19) | [0.19.0](https://github.com/openshift/kube-rbac-proxy/blob/release-4.19) | [2.15.0](https://github.com/openshift/kube-state-metrics/blob/release-4.19) | [0.7.2](https://github.com/openshift/kubernetes-metrics-server/blob/release-4.19) | [1.0.0](https://github.com/openshift/monitoring-plugin/blob/release-4.19) | [1.9.1](https://github.com/openshift/node_exporter/blob/release-4.19) | [0.11.0](https://github.com/openshift/prom-label-proxy/blob/release-4.19) | [3.2.1](https://github.com/openshift/prometheus/blob/release-4.19)  | [0.81.0](https://github.com/openshift/prometheus-operator/blob/release-4.19) | [0.37.2](https://github.com/openshift/thanos/blob/release-4.19) |
 | release-4.18 | [0.27.0](https://github.com/openshift/prometheus-alertmanager/blob/release-4.18) | [0.18.1](https://github.com/openshift/kube-rbac-proxy/blob/release-4.18) | [2.13.0](https://github.com/openshift/kube-state-metrics/blob/release-4.18) | [0.7.2](https://github.com/openshift/kubernetes-metrics-server/blob/release-4.18) | [1.0.0](https://github.com/openshift/monitoring-plugin/blob/release-4.18) | [1.8.2](https://github.com/openshift/node_exporter/blob/release-4.18) | [0.11.0](https://github.com/openshift/prom-label-proxy/blob/release-4.18) | [2.55.1](https://github.com/openshift/prometheus/blob/release-4.18) | [0.78.2](https://github.com/openshift/prometheus-operator/blob/release-4.18) | [0.36.1](https://github.com/openshift/thanos/blob/release-4.18) |