[stable/prometheus-operator] Update hyperkube image (#23073)

Update to a support version of kubernetes: 1.16.12

Signed-off-by: Manuel Rüger <manuel@rueg.eu>

stable/prometheus-operator/Chart.yaml

@@ -12,7 +12,7 @@ sources:
   - https://github.com/coreos/kube-prometheus
   - https://github.com/coreos/prometheus-operator
   - https://coreos.com/operators/prometheus
-version: 8.15.10
+version: 8.15.11
 appVersion: 0.38.1
 tillerVersion: ">=2.12.0"
 home: https://github.com/coreos/prometheus-operator

stable/prometheus-operator/README.md

@@ -208,7 +208,7 @@ The following tables list the configurable parameters of the prometheus-operator
 | `prometheusOperator.enabled` | Deploy Prometheus Operator. Only one of these should be deployed into the cluster | `true` |
 | `prometheusOperator.hyperkubeImage.pullPolicy` | Image pull policy for hyperkube image used to perform maintenance tasks | `IfNotPresent` |
 | `prometheusOperator.hyperkubeImage.repository` | Repository for hyperkube image used to perform maintenance tasks | `k8s.gcr.io/hyperkube` |
-| `prometheusOperator.hyperkubeImage.tag` | Tag for hyperkube image used to perform maintenance tasks | `v1.12.1` |
+| `prometheusOperator.hyperkubeImage.tag` | Tag for hyperkube image used to perform maintenance tasks | `v1.16.12` |
 | `prometheusOperator.image.pullPolicy` | Pull policy for prometheus operator image | `IfNotPresent` |
 | `prometheusOperator.image.repository` | Repository for prometheus operator image | `quay.io/coreos/prometheus-operator` |
 | `prometheusOperator.image.tag` | Tag for prometheus operator image | `v0.38.1` |

stable/prometheus-operator/values.yaml

@@ -1353,7 +1353,7 @@ prometheusOperator:
   ##
   hyperkubeImage:
     repository: k8s.gcr.io/hyperkube
-    tag: v1.12.1
+    tag: v1.16.12
     pullPolicy: IfNotPresent
 
 ## Deploy a Prometheus instance