How to add the built-in prometheus datasource to the external grafana instance in RHOCP 4.12

Solution Verified - Updated 2025-09-22T10:51:36+00:00 -

Issue

It could be observed there is no secret/grafana-datasources when upgraded to OpenShift 4.12.
The route/prometheus-k8s is changed to /api from / when upgraded to OpenShift 4.12.

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