describe/implement for `kube_managedresource_uid` metric

[haarchri]

What happened?

we using here kube_managedresource_uid metric

configuration-observability-oss/examples/dashboard-grafana-crossplane-health.yaml

Line 942 in 2d3a89c

"expr": "sum(kube_managedresource_uid{namespace=\"$namespace\"}) by (customresource_group, customresource_kind, customresource_version)",

please add a description - that these metric is created via customresourcestate-metrics: https://github.com/kubernetes/kube-state-metrics/blob/5da24c250f342751981a7e4bd33cee3fd5d718cb/docs/customresourcestate-metrics.md#info

one example can be found here:
kubernetes/kube-state-metrics#2015

spec:
  resources:
    - metricNamePrefix: kube_managedresource
      groupVersionKind:
        group: acm.aws.upbound.io
        version: v1beta1
        kind: Certificate
      commonLabels: {}
      labelsFromPath: {}
      metrics:
        - name: uid
          help: The UID of a acm.aws.upbound.io/v1beta1 Certificate.
          each:
            type: Info
            gauge: null
            stateSet: null
            info:
                labelsFromPath:
                    uid:
                        - metadata
                        - uid
                path: []
                labelFromKey: ""
          commonLabels: {}
          labelsFromPath: {}
          errorLogV: 0
      errorLogV: 0
      resourcePlural: certificates
    - metricNamePrefix: kube_managedresource
      groupVersionKind:
        group: acmpca.aws.upbound.io
        version: v1beta1
        kind: Certificate
      commonLabels: {}
      labelsFromPath: {}
      metrics:
        - name: uid
          help: The UID of a acmpca.aws.upbound.io/v1beta1 Certificate.
          each:
            type: Info
            gauge: null
            stateSet: null
            info:
                labelsFromPath:
                    uid:
                        - metadata
                        - uid
                path: []
                labelFromKey: ""
          commonLabels: {}
          labelsFromPath: {}
          errorLogV: 0
      errorLogV: 0
      resourcePlural: certificates

Epic #

How can we reproduce it?

What environment did it happen in?