Enrich grafana-controller-manager pod labels

[samuelvl]

Is your feature request related to a problem? Please describe.
I want to get operator pods filtering by labels, however the only label that is available is control-plane: controller-manager which could lead to confusion if another operator uses this same label.

# I'd like to get only grafana-operator pod
$ oc get pods -l control-plane=controller-manager 
NAME                                                          READY   STATUS    RESTARTS      AGE
airflow-on-k8s-operator-controller-manager-7468c9b786-btc7g   1/1     Running   0             17h
grafana-operator-controller-manager-6496c7d568-dpmlj          2/2     Running   1 (18h ago)   18h

$ oc get pod grafana-operator-controller-manager-6496c7d568-dpmlj --show-labels
NAME                                                   READY   STATUS    RESTARTS      AGE   LABELS
grafana-operator-controller-manager-6496c7d568-dpmlj   2/2     Running   1 (18h ago)   18h   control-plane=controller-manager,pod-template-hash=6496c7d568

Describe the solution you'd like
Add more labels to the operator deployment following k8s best practices https://kubernetes.io/docs/concepts/overview/working-with-objects/common-labels. For example:

labels:
    app.kubernetes.io/name: grafana-operator
    app.kubernetes.io/instance: controller-manager
    app.kubernetes.io/component: manager
    app.kubernetes.io/managed-by: olm

[pb82]

Makes sense, these need to be added to our CSV base: https://github.com/grafana-operator/grafana-operator/blob/master/config/manifests/bases/grafana-operator.clusterserviceversion.yaml