Update registry.k8s.io/kube-state-metrics/kube-state-metrics Docker tag to v2.20.0 (#11)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| registry.k8s.io/kube-state-metrics/kube-state-metrics | minor | `v2.19.1` → `v2.20.0` |

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Co-authored-by: Renovate Bot <bot@renovateapp.com>
Reviewed-on: #11

apps/monitoring/kube-state-metrics.yaml

@@ -86,7 +86,7 @@ spec:
         kubernetes.io/os: linux
       containers:
         - name: kube-state-metrics
-          image: registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.19.1
+          image: registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.20.0
           imagePullPolicy: IfNotPresent
           args:
             - --resources=cronjobs,daemonsets,deployments,jobs,nodes,persistentvolumeclaims,pods,replicasets,statefulsets